641564040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{411259}}^1$

素因数の和:411286

約数の個数: 64

約数和(自身を含む): 2072750400

約数和(自身を除く): 1431186360

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, 411259, 822518, 1233777, 1645036, 2056295, 2467554, 3290072, 4112590, 4935108, 5346367, 6168885, 8225180, 9870216, 10692734, 12337770, 16039101, 16450360, 21385468, 24675540, 26731835, 32078202, 42770936, 49351080, 53463670, 64156404, 80195505, 106927340, 128312808, 160391010, 213854680, 320782020, 641564040]

約数ペア:

[(1, 641564040), (2, 320782020), (3, 213854680), (4, 160391010), (5, 128312808), (6, 106927340), (8, 80195505), (10, 64156404), (12, 53463670), (13, 49351080), (15, 42770936), (20, 32078202), (24, 26731835), (26, 24675540), (30, 21385468), (39, 16450360), (40, 16039101), (52, 12337770), (60, 10692734), (65, 9870216), (78, 8225180), (104, 6168885), (120, 5346367), (130, 4935108), (156, 4112590), (195, 3290072), (260, 2467554), (312, 2056295), (390, 1645036), (520, 1233777), (780, 822518), (1560, 411259)]