80540520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2423}}^1$

素因数の和:2714

約数の個数: 64

約数和(自身を含む): 242593920

約数和(自身を除く): 162053400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 831, 1108, 1385, 1662, 2216, 2423, 2770, 3324, 4155, 4846, 5540, 6648, 7269, 8310, 9692, 11080, 12115, 14538, 16620, 19384, 24230, 29076, 33240, 36345, 48460, 58152, 72690, 96920, 145380, 290760, 671171, 1342342, 2013513, 2684684, 3355855, 4027026, 5369368, 6711710, 8054052, 10067565, 13423420, 16108104, 20135130, 26846840, 40270260, 80540520]

約数ペア:

[(1, 80540520), (2, 40270260), (3, 26846840), (4, 20135130), (5, 16108104), (6, 13423420), (8, 10067565), (10, 8054052), (12, 6711710), (15, 5369368), (20, 4027026), (24, 3355855), (30, 2684684), (40, 2013513), (60, 1342342), (120, 671171), (277, 290760), (554, 145380), (831, 96920), (1108, 72690), (1385, 58152), (1662, 48460), (2216, 36345), (2423, 33240), (2770, 29076), (3324, 24230), (4155, 19384), (4846, 16620), (5540, 14538), (6648, 12115), (7269, 11080), (8310, 9692)]