20871001440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 576

約数和(自身を含む): 78651518400

約数和(自身を除く): 57780516960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 37, 38, 40, 45, 48, 53, 57, 60, 72, 74, 76, 80, 90, 95, 96, 106, 111, 114, 120, 144, 148, 152, 159, 160, 171, 180, 185, 190, 212, 222, 228, 240, 265, 285, 288, 296, 304, 318, 333, 342, 360, 370, 380, 389, 424, 444, 456, 477, 480, 530, 555, 570, 592, 608, 636, 666, 684, 703, 720, 740, 760, 778, 795, 848, 855, 888, 912, 954, 1007, 1060, 1110, 1140, 1167, 1184, 1272, 1332, 1368, 1406, 1440, 1480, 1520, 1556, 1590, 1665, 1696, 1710, 1776, 1824, 1908, 1945, 1961, 2014, 2109, 2120, 2220, 2280, 2334, 2385, 2544, 2664, 2736, 2812, 2960, 3021, 3040, 3112, 3180, 3330, 3420, 3501, 3515, 3552, 3816, 3890, 3922, 4028, 4218, 4240, 4440, 4560, 4668, 4770, 5035, 5088, 5328, 5472, 5624, 5835, 5883, 5920, 6042, 6224, 6327, 6360, 6660, 6840, 7002, 7030, 7391, 7632, 7780, 7844, 8056, 8436, 8480, 8880, 9063, 9120, 9336, 9540, 9805, 10070, 10545, 10656, 11248, 11670, 11766, 12084, 12448, 12654, 12720, 13320, 13680, 14004, 14060, 14393, 14782, 15105, 15264, 15560, 15688, 16112, 16872, 17505, 17649, 17760, 18126, 18672, 19080, 19610, 20140, 20617, 21090, 22173, 22496, 23340, 23532, 24168, 25308, 25440, 26640, 27360, 28008, 28120, 28786, 29415, 29564, 30210, 31120, 31376, 31635, 32224, 33744, 35010, 35298, 36252, 36955, 37259, 37344, 38160, 39220, 40280, 41234, 42180, 43179, 44346, 45315, 46680, 47064, 48336, 50616, 53280, 56016, 56240, 57572, 58830, 59128, 60420, 61851, 62240, 62752, 63270, 66519, 67488, 70020, 70596, 71965, 72504, 73910, 74518, 76320, 78440, 80560, 82468, 84360, 86358, 88245, 88692, 90630, 93360, 94128, 96672, 101232, 103085, 110865, 111777, 112032, 112480, 115144, 117660, 118256, 120840, 123702, 126540, 129537, 133038, 140040, 141192, 143930, 145008, 147820, 149036, 156880, 161120, 164936, 168720, 172716, 176490, 177384, 181260, 185553, 186295, 186720, 188256, 202464, 206170, 215895, 221730, 223554, 230288, 235320, 236512, 241680, 247404, 253080, 259074, 266076, 273467, 280080, 282384, 287860, 290016, 295640, 298072, 309255, 313760, 329872, 332595, 335331, 337440, 345432, 352980, 354768, 362520, 371106, 372590, 391723, 412340, 431790, 443460, 447108, 460576, 470640, 483360, 494808, 506160, 518148, 532152, 546934, 558885, 560160, 564768, 575720, 591280, 596144, 618510, 647685, 659744, 665190, 670662, 690864, 705960, 709536, 725040, 742212, 745180, 762829, 783446, 820401, 824680, 863580, 886920, 894216, 927765, 941280, 989616, 1012320, 1036296, 1064304, 1093868, 1117770, 1151440, 1175169, 1182560, 1192288, 1237020, 1295370, 1330380, 1341324, 1367335, 1381728, 1411920, 1450080, 1484424, 1490360, 1525658, 1566892, 1640802, 1649360, 1676655, 1727160, 1773840, 1788432, 1855530, 1958615, 1979232, 2072592, 2128608, 2187736, 2235540, 2288487, 2302880, 2350338, 2461203, 2474040, 2590740, 2660760, 2682648, 2734670, 2823840, 2968848, 2980720, 3051316, 3133784, 3281604, 3298720, 3353310, 3454320, 3525507, 3547680, 3576864, 3711060, 3814145, 3917230, 4102005, 4145184, 4375472, 4471080, 4576974, 4700676, 4922406, 4948080, 5181480, 5321520, 5365296, 5469340, 5875845, 5937696, 5961440, 6102632, 6267568, 6563208, 6706620, 6865461, 6908640, 7051014, 7422120, 7628290, 7834460, 8204010, 8750944, 8942160, 9153948, 9401352, 9844812, 9896160, 10362960, 10643040, 10730592, 10938680, 11442435, 11751690, 12205264, 12306015, 12535136, 13126416, 13413240, 13730922, 14102028, 14493751, 14844240, 15256580, 15668920, 16408020, 17627535, 17884320, 18307896, 18802704, 19689624, 20725920, 21877360, 22884870, 23503380, 24410528, 24612030, 26252832, 26826480, 27461844, 28204056, 28987502, 29688480, 30513160, 31337840, 32816040, 34327305, 35255070, 36615792, 37605408, 39379248, 43481253, 43754720, 45769740, 47006760, 49224060, 53652960, 54923688, 56408112, 57975004, 61026320, 62675680, 65632080, 68654610, 70510140, 72468755, 73231584, 78758496, 86962506, 91539480, 94013520, 98448120, 109847376, 112816224, 115950008, 122052640, 130443759, 131264160, 137309220, 141020280, 144937510, 173925012, 183078960, 188027040, 196896240, 217406265, 219694752, 231900016, 260887518, 274618440, 282040560, 289875020, 347850024, 366157920, 393792480, 434812530, 463800032, 521775036, 549236880, 564081120, 579750040, 652218795, 695700048, 869625060, 1043550072, 1098473760, 1159500080, 1304437590, 1391400096, 1739250120, 2087100144, 2319000160, 2608875180, 3478500240, 4174200288, 5217750360, 6957000480, 10435500720, 20871001440]

約数ペア:

[(1, 20871001440), (2, 10435500720), (3, 6957000480), (4, 5217750360), (5, 4174200288), (6, 3478500240), (8, 2608875180), (9, 2319000160), (10, 2087100144), (12, 1739250120), (15, 1391400096), (16, 1304437590), (18, 1159500080), (19, 1098473760), (20, 1043550072), (24, 869625060), (30, 695700048), (32, 652218795), (36, 579750040), (37, 564081120), (38, 549236880), (40, 521775036), (45, 463800032), (48, 434812530), (53, 393792480), (57, 366157920), (60, 347850024), (72, 289875020), (74, 282040560), (76, 274618440), (80, 260887518), (90, 231900016), (95, 219694752), (96, 217406265), (106, 196896240), (111, 188027040), (114, 183078960), (120, 173925012), (144, 144937510), (148, 141020280), (152, 137309220), (159, 131264160), (160, 130443759), (171, 122052640), (180, 115950008), (185, 112816224), (190, 109847376), (212, 98448120), (222, 94013520), (228, 91539480), (240, 86962506), (265, 78758496), (285, 73231584), (288, 72468755), (296, 70510140), (304, 68654610), (318, 65632080), (333, 62675680), (342, 61026320), (360, 57975004), (370, 56408112), (380, 54923688), (389, 53652960), (424, 49224060), (444, 47006760), (456, 45769740), (477, 43754720), (480, 43481253), (530, 39379248), (555, 37605408), (570, 36615792), (592, 35255070), (608, 34327305), (636, 32816040), (666, 31337840), (684, 30513160), (703, 29688480), (720, 28987502), (740, 28204056), (760, 27461844), (778, 26826480), (795, 26252832), (848, 24612030), (855, 24410528), (888, 23503380), (912, 22884870), (954, 21877360), (1007, 20725920), (1060, 19689624), (1110, 18802704), (1140, 18307896), (1167, 17884320), (1184, 17627535), (1272, 16408020), (1332, 15668920), (1368, 15256580), (1406, 14844240), (1440, 14493751), (1480, 14102028), (1520, 13730922), (1556, 13413240), (1590, 13126416), (1665, 12535136), (1696, 12306015), (1710, 12205264), (1776, 11751690), (1824, 11442435), (1908, 10938680), (1945, 10730592), (1961, 10643040), (2014, 10362960), (2109, 9896160), (2120, 9844812), (2220, 9401352), (2280, 9153948), (2334, 8942160), (2385, 8750944), (2544, 8204010), (2664, 7834460), (2736, 7628290), (2812, 7422120), (2960, 7051014), (3021, 6908640), (3040, 6865461), (3112, 6706620), (3180, 6563208), (3330, 6267568), (3420, 6102632), (3501, 5961440), (3515, 5937696), (3552, 5875845), (3816, 5469340), (3890, 5365296), (3922, 5321520), (4028, 5181480), (4218, 4948080), (4240, 4922406), (4440, 4700676), (4560, 4576974), (4668, 4471080), (4770, 4375472), (5035, 4145184), (5088, 4102005), (5328, 3917230), (5472, 3814145), (5624, 3711060), (5835, 3576864), (5883, 3547680), (5920, 3525507), (6042, 3454320), (6224, 3353310), (6327, 3298720), (6360, 3281604), (6660, 3133784), (6840, 3051316), (7002, 2980720), (7030, 2968848), (7391, 2823840), (7632, 2734670), (7780, 2682648), (7844, 2660760), (8056, 2590740), (8436, 2474040), (8480, 2461203), (8880, 2350338), (9063, 2302880), (9120, 2288487), (9336, 2235540), (9540, 2187736), (9805, 2128608), (10070, 2072592), (10545, 1979232), (10656, 1958615), (11248, 1855530), (11670, 1788432), (11766, 1773840), (12084, 1727160), (12448, 1676655), (12654, 1649360), (12720, 1640802), (13320, 1566892), (13680, 1525658), (14004, 1490360), (14060, 1484424), (14393, 1450080), (14782, 1411920), (15105, 1381728), (15264, 1367335), (15560, 1341324), (15688, 1330380), (16112, 1295370), (16872, 1237020), (17505, 1192288), (17649, 1182560), (17760, 1175169), (18126, 1151440), (18672, 1117770), (19080, 1093868), (19610, 1064304), (20140, 1036296), (20617, 1012320), (21090, 989616), (22173, 941280), (22496, 927765), (23340, 894216), (23532, 886920), (24168, 863580), (25308, 824680), (25440, 820401), (26640, 783446), (27360, 762829), (28008, 745180), (28120, 742212), (28786, 725040), (29415, 709536), (29564, 705960), (30210, 690864), (31120, 670662), (31376, 665190), (31635, 659744), (32224, 647685), (33744, 618510), (35010, 596144), (35298, 591280), (36252, 575720), (36955, 564768), (37259, 560160), (37344, 558885), (38160, 546934), (39220, 532152), (40280, 518148), (41234, 506160), (42180, 494808), (43179, 483360), (44346, 470640), (45315, 460576), (46680, 447108), (47064, 443460), (48336, 431790), (50616, 412340), (53280, 391723), (56016, 372590), (56240, 371106), (57572, 362520), (58830, 354768), (59128, 352980), (60420, 345432), (61851, 337440), (62240, 335331), (62752, 332595), (63270, 329872), (66519, 313760), (67488, 309255), (70020, 298072), (70596, 295640), (71965, 290016), (72504, 287860), (73910, 282384), (74518, 280080), (76320, 273467), (78440, 266076), (80560, 259074), (82468, 253080), (84360, 247404), (86358, 241680), (88245, 236512), (88692, 235320), (90630, 230288), (93360, 223554), (94128, 221730), (96672, 215895), (101232, 206170), (103085, 202464), (110865, 188256), (111777, 186720), (112032, 186295), (112480, 185553), (115144, 181260), (117660, 177384), (118256, 176490), (120840, 172716), (123702, 168720), (126540, 164936), (129537, 161120), (133038, 156880), (140040, 149036), (141192, 147820), (143930, 145008)]