666226920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{20639}}^1$

素因数の和:20922

約数の個数: 64

約数和(自身を含む): 2006208000

約数和(自身を除く): 1339981080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 1076, 1345, 1614, 2152, 2690, 3228, 4035, 5380, 6456, 8070, 10760, 16140, 20639, 32280, 41278, 61917, 82556, 103195, 123834, 165112, 206390, 247668, 309585, 412780, 495336, 619170, 825560, 1238340, 2476680, 5551891, 11103782, 16655673, 22207564, 27759455, 33311346, 44415128, 55518910, 66622692, 83278365, 111037820, 133245384, 166556730, 222075640, 333113460, 666226920]

約数ペア:

[(1, 666226920), (2, 333113460), (3, 222075640), (4, 166556730), (5, 133245384), (6, 111037820), (8, 83278365), (10, 66622692), (12, 55518910), (15, 44415128), (20, 33311346), (24, 27759455), (30, 22207564), (40, 16655673), (60, 11103782), (120, 5551891), (269, 2476680), (538, 1238340), (807, 825560), (1076, 619170), (1345, 495336), (1614, 412780), (2152, 309585), (2690, 247668), (3228, 206390), (4035, 165112), (5380, 123834), (6456, 103195), (8070, 82556), (10760, 61917), (16140, 41278), (20639, 32280)]