128968080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{10139}}^1$

素因数の和:10208

約数の個数: 80

約数和(自身を含む): 407384640

約数和(自身を除く): 278416560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 10139, 12720, 20278, 30417, 40556, 50695, 60834, 81112, 101390, 121668, 152085, 162224, 202780, 243336, 304170, 405560, 486672, 537367, 608340, 811120, 1074734, 1216680, 1612101, 2149468, 2433360, 2686835, 3224202, 4298936, 5373670, 6448404, 8060505, 8597872, 10747340, 12896808, 16121010, 21494680, 25793616, 32242020, 42989360, 64484040, 128968080]

約数ペア:

[(1, 128968080), (2, 64484040), (3, 42989360), (4, 32242020), (5, 25793616), (6, 21494680), (8, 16121010), (10, 12896808), (12, 10747340), (15, 8597872), (16, 8060505), (20, 6448404), (24, 5373670), (30, 4298936), (40, 3224202), (48, 2686835), (53, 2433360), (60, 2149468), (80, 1612101), (106, 1216680), (120, 1074734), (159, 811120), (212, 608340), (240, 537367), (265, 486672), (318, 405560), (424, 304170), (530, 243336), (636, 202780), (795, 162224), (848, 152085), (1060, 121668), (1272, 101390), (1590, 81112), (2120, 60834), (2544, 50695), (3180, 40556), (4240, 30417), (6360, 20278), (10139, 12720)]