28343640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18169}}^1$

素因数の和:18196

約数の個数: 64

約数和(自身を含む): 91576800

約数和(自身を除く): 63233160

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, 18169, 36338, 54507, 72676, 90845, 109014, 145352, 181690, 218028, 236197, 272535, 363380, 436056, 472394, 545070, 708591, 726760, 944788, 1090140, 1180985, 1417182, 1889576, 2180280, 2361970, 2834364, 3542955, 4723940, 5668728, 7085910, 9447880, 14171820, 28343640]

約数ペア:

[(1, 28343640), (2, 14171820), (3, 9447880), (4, 7085910), (5, 5668728), (6, 4723940), (8, 3542955), (10, 2834364), (12, 2361970), (13, 2180280), (15, 1889576), (20, 1417182), (24, 1180985), (26, 1090140), (30, 944788), (39, 726760), (40, 708591), (52, 545070), (60, 472394), (65, 436056), (78, 363380), (104, 272535), (120, 236197), (130, 218028), (156, 181690), (195, 145352), (260, 109014), (312, 90845), (390, 72676), (520, 54507), (780, 36338), (1560, 18169)]