7620080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 20248704

約数和(自身を除く): 12628624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 431, 442, 520, 680, 862, 884, 1040, 1105, 1360, 1724, 1768, 2155, 2210, 3448, 3536, 4310, 4420, 5603, 6896, 7327, 8620, 8840, 11206, 14654, 17240, 17680, 22412, 28015, 29308, 34480, 36635, 44824, 56030, 58616, 73270, 89648, 95251, 112060, 117232, 146540, 190502, 224120, 293080, 381004, 448240, 476255, 586160, 762008, 952510, 1524016, 1905020, 3810040, 7620080]

約数ペア:

[(1, 7620080), (2, 3810040), (4, 1905020), (5, 1524016), (8, 952510), (10, 762008), (13, 586160), (16, 476255), (17, 448240), (20, 381004), (26, 293080), (34, 224120), (40, 190502), (52, 146540), (65, 117232), (68, 112060), (80, 95251), (85, 89648), (104, 73270), (130, 58616), (136, 56030), (170, 44824), (208, 36635), (221, 34480), (260, 29308), (272, 28015), (340, 22412), (431, 17680), (442, 17240), (520, 14654), (680, 11206), (862, 8840), (884, 8620), (1040, 7327), (1105, 6896), (1360, 5603), (1724, 4420), (1768, 4310), (2155, 3536), (2210, 3448)]