666137680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{2749}}^1$

素因数の和:3008

約数の個数: 80

約数和(自身を含む): 1675674000

約数和(自身を除く): 1009536320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 233, 260, 466, 520, 932, 1040, 1165, 1864, 2330, 2749, 3029, 3728, 4660, 5498, 6058, 9320, 10996, 12116, 13745, 15145, 18640, 21992, 24232, 27490, 30290, 35737, 43984, 48464, 54980, 60580, 71474, 109960, 121160, 142948, 178685, 219920, 242320, 285896, 357370, 571792, 640517, 714740, 1281034, 1429480, 2562068, 2858960, 3202585, 5124136, 6405170, 8326721, 10248272, 12810340, 16653442, 25620680, 33306884, 41633605, 51241360, 66613768, 83267210, 133227536, 166534420, 333068840, 666137680]

約数ペア:

[(1, 666137680), (2, 333068840), (4, 166534420), (5, 133227536), (8, 83267210), (10, 66613768), (13, 51241360), (16, 41633605), (20, 33306884), (26, 25620680), (40, 16653442), (52, 12810340), (65, 10248272), (80, 8326721), (104, 6405170), (130, 5124136), (208, 3202585), (233, 2858960), (260, 2562068), (466, 1429480), (520, 1281034), (932, 714740), (1040, 640517), (1165, 571792), (1864, 357370), (2330, 285896), (2749, 242320), (3029, 219920), (3728, 178685), (4660, 142948), (5498, 121160), (6058, 109960), (9320, 71474), (10996, 60580), (12116, 54980), (13745, 48464), (15145, 43984), (18640, 35737), (21992, 30290), (24232, 27490)]