616148520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{394967}}^1$

素因数の和:394994

約数の個数: 64

約数和(自身を含む): 1990638720

約数和(自身を除く): 1374490200

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, 394967, 789934, 1184901, 1579868, 1974835, 2369802, 3159736, 3949670, 4739604, 5134571, 5924505, 7899340, 9479208, 10269142, 11849010, 15403713, 15798680, 20538284, 23698020, 25672855, 30807426, 41076568, 47396040, 51345710, 61614852, 77018565, 102691420, 123229704, 154037130, 205382840, 308074260, 616148520]

約数ペア:

[(1, 616148520), (2, 308074260), (3, 205382840), (4, 154037130), (5, 123229704), (6, 102691420), (8, 77018565), (10, 61614852), (12, 51345710), (13, 47396040), (15, 41076568), (20, 30807426), (24, 25672855), (26, 23698020), (30, 20538284), (39, 15798680), (40, 15403713), (52, 11849010), (60, 10269142), (65, 9479208), (78, 7899340), (104, 5924505), (120, 5134571), (130, 4739604), (156, 3949670), (195, 3159736), (260, 2369802), (312, 1974835), (390, 1579868), (520, 1184901), (780, 789934), (1560, 394967)]