65230720

素因数分解:

$2^7\times 5^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 156978000

約数和(自身を除く): 91747280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 320, 449, 454, 640, 898, 908, 1135, 1796, 1816, 2245, 2270, 3592, 3632, 4490, 4540, 7184, 7264, 8980, 9080, 14368, 14528, 17960, 18160, 28736, 29056, 35920, 36320, 57472, 71840, 72640, 101923, 143680, 145280, 203846, 287360, 407692, 509615, 815384, 1019230, 1630768, 2038460, 3261536, 4076920, 6523072, 8153840, 13046144, 16307680, 32615360, 65230720]

約数ペア:

[(1, 65230720), (2, 32615360), (4, 16307680), (5, 13046144), (8, 8153840), (10, 6523072), (16, 4076920), (20, 3261536), (32, 2038460), (40, 1630768), (64, 1019230), (80, 815384), (128, 509615), (160, 407692), (227, 287360), (320, 203846), (449, 145280), (454, 143680), (640, 101923), (898, 72640), (908, 71840), (1135, 57472), (1796, 36320), (1816, 35920), (2245, 29056), (2270, 28736), (3592, 18160), (3632, 17960), (4490, 14528), (4540, 14368), (7184, 9080), (7264, 8980)]