73668640

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1699}}^1$

素因数の和:1985

約数の個数: 48

約数和(自身を含む): 174787200

約数和(自身を除く): 101118560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 1699, 2168, 2710, 3398, 4336, 5420, 6796, 8495, 8672, 10840, 13592, 16990, 21680, 27184, 33980, 43360, 54368, 67960, 135920, 271840, 460429, 920858, 1841716, 2302145, 3683432, 4604290, 7366864, 9208580, 14733728, 18417160, 36834320, 73668640]

約数ペア:

[(1, 73668640), (2, 36834320), (4, 18417160), (5, 14733728), (8, 9208580), (10, 7366864), (16, 4604290), (20, 3683432), (32, 2302145), (40, 1841716), (80, 920858), (160, 460429), (271, 271840), (542, 135920), (1084, 67960), (1355, 54368), (1699, 43360), (2168, 33980), (2710, 27184), (3398, 21680), (4336, 16990), (5420, 13592), (6796, 10840), (8495, 8672)]