71565720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2153}}^1$

素因数の和:2444

約数の個数: 64

約数和(自身を含む): 215572320

約数和(自身を除く): 144006600

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, 2153, 2216, 2770, 3324, 4155, 4306, 5540, 6459, 6648, 8310, 8612, 10765, 11080, 12918, 16620, 17224, 21530, 25836, 32295, 33240, 43060, 51672, 64590, 86120, 129180, 258360, 596381, 1192762, 1789143, 2385524, 2981905, 3578286, 4771048, 5963810, 7156572, 8945715, 11927620, 14313144, 17891430, 23855240, 35782860, 71565720]

約数ペア:

[(1, 71565720), (2, 35782860), (3, 23855240), (4, 17891430), (5, 14313144), (6, 11927620), (8, 8945715), (10, 7156572), (12, 5963810), (15, 4771048), (20, 3578286), (24, 2981905), (30, 2385524), (40, 1789143), (60, 1192762), (120, 596381), (277, 258360), (554, 129180), (831, 86120), (1108, 64590), (1385, 51672), (1662, 43060), (2153, 33240), (2216, 32295), (2770, 25836), (3324, 21530), (4155, 17224), (4306, 16620), (5540, 12918), (6459, 11080), (6648, 10765), (8310, 8612)]