20878220880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 960

約数和(自身を含む): 86634455040

約数和(自身を除く): 65756234160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 33, 34, 36, 37, 40, 44, 45, 48, 51, 54, 55, 60, 66, 68, 72, 74, 80, 85, 88, 90, 99, 102, 108, 110, 111, 120, 121, 127, 132, 135, 136, 144, 148, 153, 165, 170, 176, 180, 185, 187, 198, 204, 216, 220, 222, 240, 242, 254, 255, 264, 270, 272, 296, 297, 306, 330, 333, 340, 360, 363, 370, 374, 381, 396, 407, 408, 432, 440, 444, 459, 484, 495, 508, 510, 528, 540, 555, 561, 592, 594, 605, 612, 629, 635, 660, 666, 680, 720, 726, 740, 748, 762, 765, 792, 814, 816, 880, 888, 918, 935, 968, 990, 999, 1016, 1020, 1080, 1089, 1110, 1122, 1143, 1188, 1210, 1221, 1224, 1258, 1270, 1320, 1332, 1360, 1397, 1452, 1480, 1485, 1496, 1524, 1530, 1584, 1628, 1665, 1683, 1776, 1815, 1836, 1870, 1887, 1905, 1936, 1980, 1998, 2032, 2035, 2040, 2057, 2159, 2160, 2178, 2220, 2244, 2286, 2295, 2376, 2420, 2442, 2448, 2516, 2540, 2640, 2664, 2794, 2805, 2904, 2960, 2970, 2992, 3048, 3060, 3145, 3256, 3267, 3330, 3366, 3429, 3630, 3663, 3672, 3740, 3774, 3810, 3960, 3996, 4070, 4080, 4114, 4191, 4318, 4356, 4440, 4477, 4488, 4572, 4590, 4699, 4752, 4840, 4884, 4995, 5032, 5049, 5080, 5328, 5445, 5588, 5610, 5661, 5715, 5808, 5940, 6096, 6105, 6120, 6171, 6290, 6477, 6512, 6534, 6660, 6732, 6858, 6919, 6985, 7260, 7326, 7344, 7480, 7548, 7620, 7920, 7992, 8140, 8228, 8382, 8415, 8636, 8712, 8880, 8954, 8976, 9144, 9180, 9398, 9435, 9680, 9768, 9990, 10064, 10098, 10160, 10285, 10795, 10890, 10989, 11176, 11220, 11322, 11430, 11880, 12210, 12240, 12342, 12573, 12580, 12954, 13068, 13320, 13431, 13464, 13716, 13838, 13970, 14097, 14520, 14652, 14960, 15096, 15240, 15367, 15984, 16280, 16335, 16456, 16764, 16830, 16983, 17145, 17272, 17424, 17908, 18288, 18315, 18360, 18513, 18796, 18870, 19431, 19536, 19980, 20196, 20570, 20757, 20955, 21590, 21780, 21978, 22352, 22385, 22440, 22644, 22860, 23495, 23749, 23760, 24420, 24684, 25146, 25160, 25245, 25908, 26136, 26640, 26862, 26928, 27432, 27676, 27940, 28194, 28305, 29040, 29304, 30192, 30480, 30734, 30855, 32385, 32560, 32670, 32912, 33528, 33660, 33966, 34290, 34544, 34595, 35816, 36630, 36720, 37026, 37592, 37719, 37740, 38862, 39960, 40293, 40392, 41140, 41514, 41910, 42291, 43180, 43560, 43956, 44770, 44880, 45288, 45720, 46101, 46990, 47498, 48840, 49368, 50292, 50320, 50490, 51689, 51816, 52272, 53724, 54864, 54945, 55352, 55539, 55880, 56388, 56610, 58293, 58608, 61468, 61710, 62271, 62865, 64770, 65340, 67056, 67155, 67320, 67932, 68580, 69190, 70485, 71247, 71632, 73260, 74052, 75184, 75438, 75480, 76109, 76835, 77724, 79883, 79920, 80586, 80784, 82280, 83028, 83820, 84582, 84915, 86360, 87120, 87912, 89540, 90576, 91440, 92202, 92565, 93980, 94996, 97155, 97680, 98736, 100584, 100980, 103378, 103632, 103785, 107448, 109890, 110704, 111078, 111760, 112776, 113220, 116586, 118745, 120879, 122936, 123420, 124542, 125730, 126873, 129540, 130680, 134310, 134640, 135864, 137160, 138303, 138380, 140970, 142494, 146520, 148104, 150876, 150960, 152218, 153670, 155067, 155448, 159766, 161172, 164560, 166056, 167640, 169164, 169830, 172720, 175824, 179080, 184404, 185130, 186813, 187960, 188595, 189992, 194310, 201168, 201465, 201960, 206756, 207570, 211455, 213741, 214896, 219780, 222156, 225552, 226440, 228327, 230505, 233172, 237490, 239649, 241758, 245872, 246840, 249084, 251460, 253746, 258445, 259080, 261239, 261360, 268620, 271728, 274320, 276606, 276760, 277695, 281940, 284988, 291465, 293040, 296208, 301752, 304436, 307340, 310134, 310896, 311355, 319532, 322344, 332112, 335280, 338328, 339660, 356235, 358160, 368808, 370260, 373626, 375920, 377190, 379984, 380545, 388620, 399415, 402930, 403920, 413512, 414909, 415140, 422910, 427482, 439560, 444312, 452880, 456654, 461010, 465201, 466344, 474980, 479298, 483516, 493680, 498168, 502920, 507492, 516890, 518160, 522478, 537240, 553212, 553520, 555390, 563880, 568579, 569976, 582930, 603504, 604395, 608872, 614680, 620268, 622710, 634365, 639064, 641223, 644688, 676656, 679320, 684981, 691515, 712470, 718947, 737616, 740520, 747252, 754380, 761090, 775335, 777240, 783717, 798830, 805860, 827024, 829818, 830280, 845820, 854964, 878713, 879120, 888624, 913308, 922020, 930402, 932688, 934065, 949960, 958596, 967032, 996336, 1005840, 1014984, 1033780, 1044956, 1068705, 1074480, 1106424, 1110780, 1127760, 1137158, 1139952, 1141635, 1165860, 1198245, 1208790, 1217744, 1229360, 1240536, 1245420, 1268730, 1278128, 1282446, 1306195, 1358640, 1369962, 1383030, 1395603, 1424940, 1437894, 1481040, 1494504, 1508760, 1522180, 1550670, 1554480, 1567434, 1597660, 1611720, 1659636, 1660560, 1691640, 1705737, 1709928, 1757426, 1826616, 1844040, 1860804, 1868130, 1899920, 1917192, 1934064, 2029968, 2054943, 2067560, 2074545, 2089912, 2137410, 2156841, 2212848, 2221560, 2274316, 2283270, 2326005, 2331720, 2351151, 2396490, 2417580, 2481072, 2490840, 2537460, 2564892, 2612390, 2636139, 2739924, 2766060, 2791206, 2842895, 2849880, 2875788, 2989008, 3017520, 3044360, 3101340, 3134868, 3195320, 3206115, 3223440, 3319272, 3383280, 3411474, 3419856, 3424905, 3514852, 3594735, 3653232, 3688080, 3721608, 3736260, 3834384, 3918585, 4109886, 4135120, 4149090, 4179824, 4274820, 4313682, 4393565, 4443120, 4548632, 4566540, 4652010, 4663440, 4702302, 4792980, 4835160, 4981680, 5074920, 5117211, 5129784, 5224780, 5272278, 5479848, 5532120, 5582412, 5685790, 5699760, 5751576, 6088720, 6202680, 6269736, 6390640, 6412230, 6638544, 6822948, 6849810, 6978015, 7029704, 7053453, 7189470, 7443216, 7472520, 7837170, 7908417, 8219772, 8298180, 8528685, 8549640, 8627364, 8787130, 9097264, 9133080, 9304020, 9404604, 9585960, 9665843, 9670320, 10149840, 10234422, 10259568, 10274715, 10449560, 10544556, 10784205, 10959696, 11064240, 11164824, 11371580, 11503152, 11755755, 12405360, 12539472, 12824460, 13180695, 13645896, 13699620, 13956030, 14059408, 14106906, 14378940, 14945040, 15351633, 15674340, 15816834, 16439544, 16596360, 17057370, 17099280, 17254728, 17574260, 18266160, 18608040, 18809208, 19171920, 19331686, 20468844, 20549430, 20899120, 21089112, 21568410, 22329648, 22743160, 23511510, 23725251, 25586055, 25648920, 26361390, 27291792, 27399240, 27912060, 28213812, 28757880, 28997529, 30703266, 31348680, 31633668, 32879088, 33192720, 34114740, 34509456, 35148520, 35267265, 37216080, 37618416, 38663372, 39542085, 40937688, 41098860, 42178224, 43136820, 45486320, 47023020, 47450502, 48329215, 51172110, 51297840, 52722780, 54798480, 55824120, 56427624, 57515760, 57995058, 61406532, 62697360, 63267336, 68229480, 70297040, 70534530, 76758165, 77326744, 79084170, 81875376, 82197720, 86273640, 86992587, 94046040, 94901004, 96658430, 102344220, 105445560, 111648240, 112855248, 115990116, 118626255, 122813064, 126534672, 136458960, 141069060, 144987645, 153516330, 154653488, 158168340, 164395440, 172547280, 173985174, 188092080, 189802008, 193316860, 204688440, 210891120, 231980232, 237252510, 245626128, 260977761, 282138120, 289975290, 307032660, 316336680, 347970348, 379604016, 386633720, 409376880, 434962935, 463960464, 474505020, 521955522, 564276240, 579950580, 614065320, 632673360, 695940696, 773267440, 869925870, 949010040, 1043911044, 1159901160, 1228130640, 1304888805, 1391881392, 1739851740, 1898020080, 2087822088, 2319802320, 2609777610, 3479703480, 4175644176, 5219555220, 6959406960, 10439110440, 20878220880]

約数ペア:

[(1, 20878220880), (2, 10439110440), (3, 6959406960), (4, 5219555220), (5, 4175644176), (6, 3479703480), (8, 2609777610), (9, 2319802320), (10, 2087822088), (11, 1898020080), (12, 1739851740), (15, 1391881392), (16, 1304888805), (17, 1228130640), (18, 1159901160), (20, 1043911044), (22, 949010040), (24, 869925870), (27, 773267440), (30, 695940696), (33, 632673360), (34, 614065320), (36, 579950580), (37, 564276240), (40, 521955522), (44, 474505020), (45, 463960464), (48, 434962935), (51, 409376880), (54, 386633720), (55, 379604016), (60, 347970348), (66, 316336680), (68, 307032660), (72, 289975290), (74, 282138120), (80, 260977761), (85, 245626128), (88, 237252510), (90, 231980232), (99, 210891120), (102, 204688440), (108, 193316860), (110, 189802008), (111, 188092080), (120, 173985174), (121, 172547280), (127, 164395440), (132, 158168340), (135, 154653488), (136, 153516330), (144, 144987645), (148, 141069060), (153, 136458960), (165, 126534672), (170, 122813064), (176, 118626255), (180, 115990116), (185, 112855248), (187, 111648240), (198, 105445560), (204, 102344220), (216, 96658430), (220, 94901004), (222, 94046040), (240, 86992587), (242, 86273640), (254, 82197720), (255, 81875376), (264, 79084170), (270, 77326744), (272, 76758165), (296, 70534530), (297, 70297040), (306, 68229480), (330, 63267336), (333, 62697360), (340, 61406532), (360, 57995058), (363, 57515760), (370, 56427624), (374, 55824120), (381, 54798480), (396, 52722780), (407, 51297840), (408, 51172110), (432, 48329215), (440, 47450502), (444, 47023020), (459, 45486320), (484, 43136820), (495, 42178224), (508, 41098860), (510, 40937688), (528, 39542085), (540, 38663372), (555, 37618416), (561, 37216080), (592, 35267265), (594, 35148520), (605, 34509456), (612, 34114740), (629, 33192720), (635, 32879088), (660, 31633668), (666, 31348680), (680, 30703266), (720, 28997529), (726, 28757880), (740, 28213812), (748, 27912060), (762, 27399240), (765, 27291792), (792, 26361390), (814, 25648920), (816, 25586055), (880, 23725251), (888, 23511510), (918, 22743160), (935, 22329648), (968, 21568410), (990, 21089112), (999, 20899120), (1016, 20549430), (1020, 20468844), (1080, 19331686), (1089, 19171920), (1110, 18809208), (1122, 18608040), (1143, 18266160), (1188, 17574260), (1210, 17254728), (1221, 17099280), (1224, 17057370), (1258, 16596360), (1270, 16439544), (1320, 15816834), (1332, 15674340), (1360, 15351633), (1397, 14945040), (1452, 14378940), (1480, 14106906), (1485, 14059408), (1496, 13956030), (1524, 13699620), (1530, 13645896), (1584, 13180695), (1628, 12824460), (1665, 12539472), (1683, 12405360), (1776, 11755755), (1815, 11503152), (1836, 11371580), (1870, 11164824), (1887, 11064240), (1905, 10959696), (1936, 10784205), (1980, 10544556), (1998, 10449560), (2032, 10274715), (2035, 10259568), (2040, 10234422), (2057, 10149840), (2159, 9670320), (2160, 9665843), (2178, 9585960), (2220, 9404604), (2244, 9304020), (2286, 9133080), (2295, 9097264), (2376, 8787130), (2420, 8627364), (2442, 8549640), (2448, 8528685), (2516, 8298180), (2540, 8219772), (2640, 7908417), (2664, 7837170), (2794, 7472520), (2805, 7443216), (2904, 7189470), (2960, 7053453), (2970, 7029704), (2992, 6978015), (3048, 6849810), (3060, 6822948), (3145, 6638544), (3256, 6412230), (3267, 6390640), (3330, 6269736), (3366, 6202680), (3429, 6088720), (3630, 5751576), (3663, 5699760), (3672, 5685790), (3740, 5582412), (3774, 5532120), (3810, 5479848), (3960, 5272278), (3996, 5224780), (4070, 5129784), (4080, 5117211), (4114, 5074920), (4191, 4981680), (4318, 4835160), (4356, 4792980), (4440, 4702302), (4477, 4663440), (4488, 4652010), (4572, 4566540), (4590, 4548632), (4699, 4443120), (4752, 4393565), (4840, 4313682), (4884, 4274820), (4995, 4179824), (5032, 4149090), (5049, 4135120), (5080, 4109886), (5328, 3918585), (5445, 3834384), (5588, 3736260), (5610, 3721608), (5661, 3688080), (5715, 3653232), (5808, 3594735), (5940, 3514852), (6096, 3424905), (6105, 3419856), (6120, 3411474), (6171, 3383280), (6290, 3319272), (6477, 3223440), (6512, 3206115), (6534, 3195320), (6660, 3134868), (6732, 3101340), (6858, 3044360), (6919, 3017520), (6985, 2989008), (7260, 2875788), (7326, 2849880), (7344, 2842895), (7480, 2791206), (7548, 2766060), (7620, 2739924), (7920, 2636139), (7992, 2612390), (8140, 2564892), (8228, 2537460), (8382, 2490840), (8415, 2481072), (8636, 2417580), (8712, 2396490), (8880, 2351151), (8954, 2331720), (8976, 2326005), (9144, 2283270), (9180, 2274316), (9398, 2221560), (9435, 2212848), (9680, 2156841), (9768, 2137410), (9990, 2089912), (10064, 2074545), (10098, 2067560), (10160, 2054943), (10285, 2029968), (10795, 1934064), (10890, 1917192), (10989, 1899920), (11176, 1868130), (11220, 1860804), (11322, 1844040), (11430, 1826616), (11880, 1757426), (12210, 1709928), (12240, 1705737), (12342, 1691640), (12573, 1660560), (12580, 1659636), (12954, 1611720), (13068, 1597660), (13320, 1567434), (13431, 1554480), (13464, 1550670), (13716, 1522180), (13838, 1508760), (13970, 1494504), (14097, 1481040), (14520, 1437894), (14652, 1424940), (14960, 1395603), (15096, 1383030), (15240, 1369962), (15367, 1358640), (15984, 1306195), (16280, 1282446), (16335, 1278128), (16456, 1268730), (16764, 1245420), (16830, 1240536), (16983, 1229360), (17145, 1217744), (17272, 1208790), (17424, 1198245), (17908, 1165860), (18288, 1141635), (18315, 1139952), (18360, 1137158), (18513, 1127760), (18796, 1110780), (18870, 1106424), (19431, 1074480), (19536, 1068705), (19980, 1044956), (20196, 1033780), (20570, 1014984), (20757, 1005840), (20955, 996336), (21590, 967032), (21780, 958596), (21978, 949960), (22352, 934065), (22385, 932688), (22440, 930402), (22644, 922020), (22860, 913308), (23495, 888624), (23749, 879120), (23760, 878713), (24420, 854964), (24684, 845820), (25146, 830280), (25160, 829818), (25245, 827024), (25908, 805860), (26136, 798830), (26640, 783717), (26862, 777240), (26928, 775335), (27432, 761090), (27676, 754380), (27940, 747252), (28194, 740520), (28305, 737616), (29040, 718947), (29304, 712470), (30192, 691515), (30480, 684981), (30734, 679320), (30855, 676656), (32385, 644688), (32560, 641223), (32670, 639064), (32912, 634365), (33528, 622710), (33660, 620268), (33966, 614680), (34290, 608872), (34544, 604395), (34595, 603504), (35816, 582930), (36630, 569976), (36720, 568579), (37026, 563880), (37592, 555390), (37719, 553520), (37740, 553212), (38862, 537240), (39960, 522478), (40293, 518160), (40392, 516890), (41140, 507492), (41514, 502920), (41910, 498168), (42291, 493680), (43180, 483516), (43560, 479298), (43956, 474980), (44770, 466344), (44880, 465201), (45288, 461010), (45720, 456654), (46101, 452880), (46990, 444312), (47498, 439560), (48840, 427482), (49368, 422910), (50292, 415140), (50320, 414909), (50490, 413512), (51689, 403920), (51816, 402930), (52272, 399415), (53724, 388620), (54864, 380545), (54945, 379984), (55352, 377190), (55539, 375920), (55880, 373626), (56388, 370260), (56610, 368808), (58293, 358160), (58608, 356235), (61468, 339660), (61710, 338328), (62271, 335280), (62865, 332112), (64770, 322344), (65340, 319532), (67056, 311355), (67155, 310896), (67320, 310134), (67932, 307340), (68580, 304436), (69190, 301752), (70485, 296208), (71247, 293040), (71632, 291465), (73260, 284988), (74052, 281940), (75184, 277695), (75438, 276760), (75480, 276606), (76109, 274320), (76835, 271728), (77724, 268620), (79883, 261360), (79920, 261239), (80586, 259080), (80784, 258445), (82280, 253746), (83028, 251460), (83820, 249084), (84582, 246840), (84915, 245872), (86360, 241758), (87120, 239649), (87912, 237490), (89540, 233172), (90576, 230505), (91440, 228327), (92202, 226440), (92565, 225552), (93980, 222156), (94996, 219780), (97155, 214896), (97680, 213741), (98736, 211455), (100584, 207570), (100980, 206756), (103378, 201960), (103632, 201465), (103785, 201168), (107448, 194310), (109890, 189992), (110704, 188595), (111078, 187960), (111760, 186813), (112776, 185130), (113220, 184404), (116586, 179080), (118745, 175824), (120879, 172720), (122936, 169830), (123420, 169164), (124542, 167640), (125730, 166056), (126873, 164560), (129540, 161172), (130680, 159766), (134310, 155448), (134640, 155067), (135864, 153670), (137160, 152218), (138303, 150960), (138380, 150876), (140970, 148104), (142494, 146520)]