64813840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:369

約数の個数: 160

約数和(自身を含む): 192487680

約数和(自身を除く): 127673840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 182, 203, 208, 232, 260, 280, 290, 307, 364, 377, 406, 455, 464, 520, 560, 580, 614, 728, 754, 812, 910, 1015, 1040, 1160, 1228, 1456, 1508, 1535, 1624, 1820, 1885, 2030, 2149, 2320, 2456, 2639, 3016, 3070, 3248, 3640, 3770, 3991, 4060, 4298, 4912, 5278, 6032, 6140, 7280, 7540, 7982, 8120, 8596, 8903, 10556, 10745, 12280, 13195, 15080, 15964, 16240, 17192, 17806, 19955, 21112, 21490, 24560, 26390, 27937, 30160, 31928, 34384, 35612, 39910, 42224, 42980, 44515, 52780, 55874, 62321, 63856, 71224, 79820, 85960, 89030, 105560, 111748, 115739, 124642, 139685, 142448, 159640, 171920, 178060, 211120, 223496, 231478, 249284, 279370, 311605, 319280, 356120, 446992, 462956, 498568, 558740, 578695, 623210, 712240, 810173, 925912, 997136, 1117480, 1157390, 1246420, 1620346, 1851824, 2234960, 2314780, 2492840, 3240692, 4050865, 4629560, 4985680, 6481384, 8101730, 9259120, 12962768, 16203460, 32406920, 64813840]

約数ペア:

[(1, 64813840), (2, 32406920), (4, 16203460), (5, 12962768), (7, 9259120), (8, 8101730), (10, 6481384), (13, 4985680), (14, 4629560), (16, 4050865), (20, 3240692), (26, 2492840), (28, 2314780), (29, 2234960), (35, 1851824), (40, 1620346), (52, 1246420), (56, 1157390), (58, 1117480), (65, 997136), (70, 925912), (80, 810173), (91, 712240), (104, 623210), (112, 578695), (116, 558740), (130, 498568), (140, 462956), (145, 446992), (182, 356120), (203, 319280), (208, 311605), (232, 279370), (260, 249284), (280, 231478), (290, 223496), (307, 211120), (364, 178060), (377, 171920), (406, 159640), (455, 142448), (464, 139685), (520, 124642), (560, 115739), (580, 111748), (614, 105560), (728, 89030), (754, 85960), (812, 79820), (910, 71224), (1015, 63856), (1040, 62321), (1160, 55874), (1228, 52780), (1456, 44515), (1508, 42980), (1535, 42224), (1624, 39910), (1820, 35612), (1885, 34384), (2030, 31928), (2149, 30160), (2320, 27937), (2456, 26390), (2639, 24560), (3016, 21490), (3070, 21112), (3248, 19955), (3640, 17806), (3770, 17192), (3991, 16240), (4060, 15964), (4298, 15080), (4912, 13195), (5278, 12280), (6032, 10745), (6140, 10556), (7280, 8903), (7540, 8596), (7982, 8120)]