645647640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{489127}}^1$

素因数の和:489152

約数の個数: 64

約数和(自身を含む): 2113032960

約数和(自身を除く): 1467385320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 489127, 978254, 1467381, 1956508, 2445635, 2934762, 3913016, 4891270, 5380397, 5869524, 7336905, 9782540, 10760794, 11739048, 14673810, 16141191, 19565080, 21521588, 26901985, 29347620, 32282382, 43043176, 53803970, 58695240, 64564764, 80705955, 107607940, 129129528, 161411910, 215215880, 322823820, 645647640]

約数ペア:

[(1, 645647640), (2, 322823820), (3, 215215880), (4, 161411910), (5, 129129528), (6, 107607940), (8, 80705955), (10, 64564764), (11, 58695240), (12, 53803970), (15, 43043176), (20, 32282382), (22, 29347620), (24, 26901985), (30, 21521588), (33, 19565080), (40, 16141191), (44, 14673810), (55, 11739048), (60, 10760794), (66, 9782540), (88, 7336905), (110, 5869524), (120, 5380397), (132, 4891270), (165, 3913016), (220, 2934762), (264, 2445635), (330, 1956508), (440, 1467381), (660, 978254), (1320, 489127)]