255810360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163981}}^1$

素因数の和:164008

約数の個数: 64

約数和(自身を含む): 826469280

約数和(自身を除く): 570658920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 163981, 327962, 491943, 655924, 819905, 983886, 1311848, 1639810, 1967772, 2131753, 2459715, 3279620, 3935544, 4263506, 4919430, 6395259, 6559240, 8527012, 9838860, 10658765, 12790518, 17054024, 19677720, 21317530, 25581036, 31976295, 42635060, 51162072, 63952590, 85270120, 127905180, 255810360]

約数ペア:

[(1, 255810360), (2, 127905180), (3, 85270120), (4, 63952590), (5, 51162072), (6, 42635060), (8, 31976295), (10, 25581036), (12, 21317530), (13, 19677720), (15, 17054024), (20, 12790518), (24, 10658765), (26, 9838860), (30, 8527012), (39, 6559240), (40, 6395259), (52, 4919430), (60, 4263506), (65, 3935544), (78, 3279620), (104, 2459715), (120, 2131753), (130, 1967772), (156, 1639810), (195, 1311848), (260, 983886), (312, 819905), (390, 655924), (520, 491943), (780, 327962), (1560, 163981)]