20788368120

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 896

約数和(自身を含む): 81969753600

約数和(自身を除く): 61181385480

約数列:

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4680, 4698, 4758, 4836, 4860, 4941, 5022, 5220, 5265, 5307, 5394, 5490, 5580, 5655, 5673, 5832, 6045, 6264, 6318, 6344, 6588, 6696, 6786, 7020, 7047, 7076, 7137, 7192, 7254, 7290, 7320, 7533, 7540, 7564, 7830, 7930, 8060, 8091, 8235, 8370, 8424, 8845, 8990, 9048, 9396, 9455, 9477, 9516, 9672, 9720, 9882, 10044, 10179, 10440, 10530, 10614, 10788, 10881, 10980, 11160, 11310, 11346, 11687, 11745, 11895, 12090, 12555, 12636, 13176, 13485, 13572, 14040, 14094, 14152, 14274, 14508, 14580, 14823, 15066, 15080, 15128, 15660, 15795, 15860, 15921, 16120, 16182, 16470, 16740, 16965, 17019, 17690, 17980, 18135, 18792, 18910, 18954, 19032, 19764, 20088, 20358, 21060, 21141, 21228, 21411, 21576, 21762, 21960, 22599, 22620, 22692, 22997, 23374, 23490, 23790, 24180, 24273, 24583, 24705, 25110, 25272, 26535, 26970, 27144, 28188, 28365, 28548, 29016, 29160, 29646, 30132, 30537, 31320, 31590, 31720, 31842, 32364, 32643, 32940, 33480, 33930, 34038, 35061, 35235, 35380, 35685, 35960, 36270, 37665, 37820, 37908, 39528, 40455, 40716, 42120, 42282, 42456, 42822, 43524, 44469, 45198, 45240, 45384, 45994, 46748, 46980, 47385, 47580, 47763, 48360, 48546, 49166, 49410, 50220, 50895, 51057, 53070, 53940, 54405, 54839, 56376, 56730, 57096, 58435, 59292, 60264, 61074, 63180, 63684, 64233, 64728, 65286, 65880, 67860, 68076, 68991, 70122, 70470, 70760, 71370, 72540, 72819, 73749, 74115, 75330, 75640, 75816, 79605, 80910, 81432, 84564, 85095, 85644, 87048, 88938, 90396, 91611, 91988, 93496, 93960, 94770, 95160, 95526, 97092, 97929, 98332, 98820, 100440, 101790, 102114, 105183, 105705, 106140, 107055, 107880, 108810, 109678, 112995, 113460, 114985, 116870, 118584, 121365, 122148, 122915, 126360, 127368, 128466, 130572, 135720, 136152, 137982, 140244, 140940, 142740, 143289, 145080, 145638, 147498, 148230, 150660, 152685, 153171, 159210, 161820, 163215, 164517, 169128, 170190, 171288, 175305, 177876, 180792, 183222, 183976, 189540, 191052, 192699, 194184, 195858, 196664, 197640, 203580, 204228, 206973, 210366, 211410, 212280, 214110, 217620, 218457, 219356, 221247, 222345, 225990, 226920, 229970, 233740, 238815, 242730, 244296, 245830, 255285, 256932, 261144, 274195, 274833, 275964, 280488, 281880, 285480, 286578, 291276, 293787, 294996, 296460, 301320, 305370, 306342, 315549, 318420, 321165, 323640, 326430, 329034, 340380, 344955, 350610, 355752, 364095, 366444, 368745, 379080, 382104, 385398, 391716, 407160, 408456, 413946, 420732, 422820, 428220, 429867, 435240, 436914, 438712, 442494, 444690, 451980, 458055, 459513, 459940, 467480, 477630, 485460, 489645, 491660, 493551, 510570, 513864, 525915, 548390, 549666, 551928, 573156, 578097, 582552, 587574, 589992, 592920, 610740, 612684, 620919, 631098, 636840, 642330, 652860, 655371, 658068, 663741, 680760, 689910, 701220, 712907, 716445, 728190, 732888, 737490, 765855, 770796, 783432, 822585, 827892, 841464, 845640, 856440, 859734, 873828, 884988, 889380, 903960, 916110, 919026, 919880, 946647, 955260, 963495, 970920, 979290, 983320, 987102, 1021140, 1034865, 1051830, 1092285, 1096780, 1099332, 1106235, 1146312, 1156194, 1175148, 1221480, 1225368, 1241838, 1262196, 1284660, 1289601, 1305720, 1310742, 1316136, 1327482, 1374165, 1378539, 1379820, 1402440, 1425814, 1432890, 1456380, 1468935, 1474980, 1480653, 1531710, 1541592, 1577745, 1645170, 1655784, 1719468, 1747656, 1769976, 1778760, 1832220, 1838052, 1862757, 1893294, 1910520, 1926990, 1958580, 1974204, 1991223, 2042280, 2069730, 2103660, 2138721, 2149335, 2184570, 2193560, 2198664, 2212470, 2297565, 2312388, 2350296, 2467755, 2483676, 2524392, 2569320, 2579202, 2621484, 2654964, 2748330, 2757078, 2759640, 2839941, 2851628, 2865780, 2890485, 2912760, 2937870, 2949960, 2961306, 3063420, 3104595, 3155490, 3276855, 3290340, 3318705, 3438936, 3564535, 3664440, 3676104, 3725514, 3786588, 3853980, 3917160, 3948408, 3982446, 4139460, 4207320, 4277442, 4298670, 4369140, 4424940, 4441959, 4595130, 4624776, 4733235, 4935510, 4967352, 5158404, 5242968, 5309928, 5496660, 5514156, 5588271, 5679882, 5703256, 5731560, 5780970, 5875740, 5922612, 5973669, 6126840, 6209190, 6310980, 6416163, 6448005, 6553710, 6580680, 6637410, 6892695, 7129070, 7403265, 7451028, 7573176, 7707960, 7964892, 8278920, 8519823, 8554884, 8597340, 8738280, 8849880, 8883918, 9190260, 9313785, 9466470, 9871020, 9956115, 10316808, 10693605, 10993320, 11028312, 11176542, 11359764, 11561940, 11751480, 11845224, 11947338, 12418380, 12621960, 12832326, 12896010, 13107420, 13274820, 13325877, 13785390, 14199705, 14258140, 14806530, 14902056, 15929784, 16764813, 17039646, 17109768, 17194680, 17767836, 17921007, 18380520, 18627570, 18932940, 19248489, 19742040, 19912230, 21387210, 22209795, 22353084, 22719528, 23123880, 23894676, 24836760, 25664652, 25792020, 26214840, 26549640, 26651754, 27570780, 27941355, 28399410, 28516280, 29613060, 29868345, 32080815, 33529626, 34079292, 35535672, 35842014, 37255140, 37865880, 38496978, 39824460, 39977631, 42599115, 42774420, 44419590, 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約数ペア:

[(1, 20788368120), (2, 10394184060), (3, 6929456040), (4, 5197092030), (5, 4157673624), (6, 3464728020), (8, 2598546015), (9, 2309818680), (10, 2078836812), (12, 1732364010), (13, 1599105240), (15, 1385891208), (18, 1154909340), (20, 1039418406), (24, 866182005), (26, 799552620), (27, 769939560), (29, 716840280), (30, 692945604), (31, 670592520), (36, 577454670), (39, 533035080), (40, 519709203), (45, 461963736), (52, 399776310), (54, 384969780), (58, 358420140), (60, 346472802), (61, 340792920), (62, 335296260), (65, 319821048), (72, 288727335), (78, 266517540), (81, 256646520), (87, 238946760), (90, 230981868), (93, 223530840), (104, 199888155), (108, 192484890), (116, 179210070), (117, 177678360), (120, 173236401), (122, 170396460), (124, 167648130), (130, 159910524), (135, 153987912), (145, 143368056), (155, 134118504), (156, 133258770), (162, 128323260), (174, 119473380), (180, 115490934), (183, 113597640), (186, 111765420), (195, 106607016), (216, 96242445), (232, 89605035), (234, 88839180), (243, 85548840), (244, 85198230), (248, 83824065), (260, 79955262), (261, 79648920), (270, 76993956), (279, 74510280), (290, 71684028), (305, 68158584), (310, 67059252), (312, 66629385), (324, 64161630), (348, 59736690), (351, 59226120), (360, 57745467), (366, 56798820), (372, 55882710), (377, 55141560), (390, 53303508), (403, 51584040), (405, 51329304), (435, 47789352), (465, 44706168), (468, 44419590), (486, 42774420), (488, 42599115), (520, 39977631), (522, 39824460), (540, 38496978), (549, 37865880), (558, 37255140), (580, 35842014), (585, 35535672), (610, 34079292), (620, 33529626), (648, 32080815), (696, 29868345), (702, 29613060), (729, 28516280), (732, 28399410), (744, 27941355), (754, 27570780), (780, 26651754), (783, 26549640), (793, 26214840), (806, 25792020), (810, 25664652), (837, 24836760), (870, 23894676), (899, 23123880), (915, 22719528), (930, 22353084), (936, 22209795), (972, 21387210), (1044, 19912230), (1053, 19742040), (1080, 19248489), (1098, 18932940), (1116, 18627570), (1131, 18380520), (1160, 17921007), (1170, 17767836), (1209, 17194680), (1215, 17109768), (1220, 17039646), (1240, 16764813), (1305, 15929784), (1395, 14902056), (1404, 14806530), (1458, 14258140), (1464, 14199705), (1508, 13785390), (1560, 13325877), (1566, 13274820), (1586, 13107420), (1612, 12896010), (1620, 12832326), (1647, 12621960), (1674, 12418380), (1740, 11947338), (1755, 11845224), (1769, 11751480), (1798, 11561940), (1830, 11359764), (1860, 11176542), (1885, 11028312), (1891, 10993320), (1944, 10693605), (2015, 10316808), (2088, 9956115), (2106, 9871020), (2196, 9466470), (2232, 9313785), (2262, 9190260), (2340, 8883918), (2349, 8849880), (2379, 8738280), (2418, 8597340), (2430, 8554884), (2440, 8519823), (2511, 8278920), (2610, 7964892), (2697, 7707960), (2745, 7573176), (2790, 7451028), (2808, 7403265), (2916, 7129070), (3016, 6892695), (3132, 6637410), (3159, 6580680), (3172, 6553710), (3224, 6448005), (3240, 6416163), (3294, 6310980), (3348, 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(8370, 2483676), (8424, 2467755), (8845, 2350296), (8990, 2312388), (9048, 2297565), (9396, 2212470), (9455, 2198664), (9477, 2193560), (9516, 2184570), (9672, 2149335), (9720, 2138721), (9882, 2103660), (10044, 2069730), (10179, 2042280), (10440, 1991223), (10530, 1974204), (10614, 1958580), (10788, 1926990), (10881, 1910520), (10980, 1893294), (11160, 1862757), (11310, 1838052), (11346, 1832220), (11687, 1778760), (11745, 1769976), (11895, 1747656), (12090, 1719468), (12555, 1655784), (12636, 1645170), (13176, 1577745), (13485, 1541592), (13572, 1531710), (14040, 1480653), (14094, 1474980), (14152, 1468935), (14274, 1456380), (14508, 1432890), (14580, 1425814), (14823, 1402440), (15066, 1379820), (15080, 1378539), (15128, 1374165), (15660, 1327482), (15795, 1316136), (15860, 1310742), (15921, 1305720), (16120, 1289601), (16182, 1284660), (16470, 1262196), (16740, 1241838), (16965, 1225368), (17019, 1221480), (17690, 1175148), (17980, 1156194), (18135, 1146312), (18792, 1106235), (18910, 1099332), (18954, 1096780), (19032, 1092285), (19764, 1051830), (20088, 1034865), (20358, 1021140), (21060, 987102), (21141, 983320), (21228, 979290), (21411, 970920), (21576, 963495), (21762, 955260), (21960, 946647), (22599, 919880), (22620, 919026), (22692, 916110), (22997, 903960), (23374, 889380), (23490, 884988), (23790, 873828), (24180, 859734), (24273, 856440), (24583, 845640), (24705, 841464), (25110, 827892), (25272, 822585), (26535, 783432), (26970, 770796), (27144, 765855), (28188, 737490), (28365, 732888), (28548, 728190), (29016, 716445), (29160, 712907), (29646, 701220), (30132, 689910), (30537, 680760), (31320, 663741), (31590, 658068), (31720, 655371), (31842, 652860), (32364, 642330), (32643, 636840), (32940, 631098), (33480, 620919), (33930, 612684), (34038, 610740), (35061, 592920), (35235, 589992), (35380, 587574), (35685, 582552), (35960, 578097), (36270, 573156), (37665, 551928), (37820, 549666), (37908, 548390), (39528, 525915), (40455, 513864), (40716, 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(85644, 242730), (87048, 238815), (88938, 233740), (90396, 229970), (91611, 226920), (91988, 225990), (93496, 222345), (93960, 221247), (94770, 219356), (95160, 218457), (95526, 217620), (97092, 214110), (97929, 212280), (98332, 211410), (98820, 210366), (100440, 206973), (101790, 204228), (102114, 203580), (105183, 197640), (105705, 196664), (106140, 195858), (107055, 194184), (107880, 192699), (108810, 191052), (109678, 189540), (112995, 183976), (113460, 183222), (114985, 180792), (116870, 177876), (118584, 175305), (121365, 171288), (122148, 170190), (122915, 169128), (126360, 164517), (127368, 163215), (128466, 161820), (130572, 159210), (135720, 153171), (136152, 152685), (137982, 150660), (140244, 148230), (140940, 147498), (142740, 145638), (143289, 145080)]