128558340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79357}}^1$

素因数の和:79378

約数の個数: 60

約数和(自身を含む): 403297356

約数和(自身を除く): 274739016

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79357, 158714, 238071, 317428, 396785, 476142, 714213, 793570, 952284, 1190355, 1428426, 1587140, 2142639, 2380710, 2856852, 3571065, 4285278, 4761420, 6427917, 7142130, 8570556, 10713195, 12855834, 14284260, 21426390, 25711668, 32139585, 42852780, 64279170, 128558340]

約数ペア:

[(1, 128558340), (2, 64279170), (3, 42852780), (4, 32139585), (5, 25711668), (6, 21426390), (9, 14284260), (10, 12855834), (12, 10713195), (15, 8570556), (18, 7142130), (20, 6427917), (27, 4761420), (30, 4285278), (36, 3571065), (45, 2856852), (54, 2380710), (60, 2142639), (81, 1587140), (90, 1428426), (108, 1190355), (135, 952284), (162, 793570), (180, 714213), (270, 476142), (324, 396785), (405, 317428), (540, 238071), (810, 158714), (1620, 79357)]