71816680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{827}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 175271040

約数和(自身を除く): 103454360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 827, 835, 1336, 1654, 1670, 2171, 3308, 3340, 4135, 4342, 6616, 6680, 8270, 8684, 10751, 10855, 16540, 17368, 21502, 21710, 33080, 43004, 43420, 53755, 86008, 86840, 107510, 138109, 215020, 276218, 430040, 552436, 690545, 1104872, 1381090, 1795417, 2762180, 3590834, 5524360, 7181668, 8977085, 14363336, 17954170, 35908340, 71816680]

約数ペア:

[(1, 71816680), (2, 35908340), (4, 17954170), (5, 14363336), (8, 8977085), (10, 7181668), (13, 5524360), (20, 3590834), (26, 2762180), (40, 1795417), (52, 1381090), (65, 1104872), (104, 690545), (130, 552436), (167, 430040), (260, 276218), (334, 215020), (520, 138109), (668, 107510), (827, 86840), (835, 86008), (1336, 53755), (1654, 43420), (1670, 43004), (2171, 33080), (3308, 21710), (3340, 21502), (4135, 17368), (4342, 16540), (6616, 10855), (6680, 10751), (8270, 8684)]