64205960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:631

約数の個数: 128

約数和(自身を含む): 183859200

約数和(自身を除く): 119653240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 569, 620, 728, 806, 868, 910, 1085, 1138, 1240, 1612, 1736, 1820, 2015, 2170, 2276, 2821, 2845, 3224, 3640, 3983, 4030, 4340, 4552, 5642, 5690, 7397, 7966, 8060, 8680, 11284, 11380, 14105, 14794, 15932, 16120, 17639, 19915, 22568, 22760, 28210, 29588, 31864, 35278, 36985, 39830, 51779, 56420, 59176, 70556, 73970, 79660, 88195, 103558, 112840, 123473, 141112, 147940, 159320, 176390, 207116, 229307, 246946, 258895, 295880, 352780, 414232, 458614, 493892, 517790, 617365, 705560, 917228, 987784, 1035580, 1146535, 1234730, 1605149, 1834456, 2071160, 2293070, 2469460, 3210298, 4586140, 4938920, 6420596, 8025745, 9172280, 12841192, 16051490, 32102980, 64205960]

約数ペア:

[(1, 64205960), (2, 32102980), (4, 16051490), (5, 12841192), (7, 9172280), (8, 8025745), (10, 6420596), (13, 4938920), (14, 4586140), (20, 3210298), (26, 2469460), (28, 2293070), (31, 2071160), (35, 1834456), (40, 1605149), (52, 1234730), (56, 1146535), (62, 1035580), (65, 987784), (70, 917228), (91, 705560), (104, 617365), (124, 517790), (130, 493892), (140, 458614), (155, 414232), (182, 352780), (217, 295880), (248, 258895), (260, 246946), (280, 229307), (310, 207116), (364, 176390), (403, 159320), (434, 147940), (455, 141112), (520, 123473), (569, 112840), (620, 103558), (728, 88195), (806, 79660), (868, 73970), (910, 70556), (1085, 59176), (1138, 56420), (1240, 51779), (1612, 39830), (1736, 36985), (1820, 35278), (2015, 31864), (2170, 29588), (2276, 28210), (2821, 22760), (2845, 22568), (3224, 19915), (3640, 17639), (3983, 16120), (4030, 15932), (4340, 14794), (4552, 14105), (5642, 11380), (5690, 11284), (7397, 8680), (7966, 8060)]