78154720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2304

約数の個数: 96

約数和(自身を含む): 217921536

約数和(自身を除く): 139766816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2251, 2480, 3472, 4340, 4502, 4960, 6944, 8680, 9004, 11255, 15757, 17360, 18008, 22510, 31514, 34720, 36016, 45020, 63028, 69781, 72032, 78785, 90040, 126056, 139562, 157570, 180080, 252112, 279124, 315140, 348905, 360160, 488467, 504224, 558248, 630280, 697810, 976934, 1116496, 1260560, 1395620, 1953868, 2232992, 2442335, 2521120, 2791240, 3907736, 4884670, 5582480, 7815472, 9769340, 11164960, 15630944, 19538680, 39077360, 78154720]

約数ペア:

[(1, 78154720), (2, 39077360), (4, 19538680), (5, 15630944), (7, 11164960), (8, 9769340), (10, 7815472), (14, 5582480), (16, 4884670), (20, 3907736), (28, 2791240), (31, 2521120), (32, 2442335), (35, 2232992), (40, 1953868), (56, 1395620), (62, 1260560), (70, 1116496), (80, 976934), (112, 697810), (124, 630280), (140, 558248), (155, 504224), (160, 488467), (217, 360160), (224, 348905), (248, 315140), (280, 279124), (310, 252112), (434, 180080), (496, 157570), (560, 139562), (620, 126056), (868, 90040), (992, 78785), (1085, 72032), (1120, 69781), (1240, 63028), (1736, 45020), (2170, 36016), (2251, 34720), (2480, 31514), (3472, 22510), (4340, 18008), (4502, 17360), (4960, 15757), (6944, 11255), (8680, 9004)]