7780760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1151}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 18973440

約数和(自身を除く): 11192680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1151, 1352, 1690, 2302, 3380, 4604, 5755, 6760, 9208, 11510, 14963, 23020, 29926, 46040, 59852, 74815, 119704, 149630, 194519, 299260, 389038, 598520, 778076, 972595, 1556152, 1945190, 3890380, 7780760]

約数ペア:

[(1, 7780760), (2, 3890380), (4, 1945190), (5, 1556152), (8, 972595), (10, 778076), (13, 598520), (20, 389038), (26, 299260), (40, 194519), (52, 149630), (65, 119704), (104, 74815), (130, 59852), (169, 46040), (260, 29926), (338, 23020), (520, 14963), (676, 11510), (845, 9208), (1151, 6760), (1352, 5755), (1690, 4604), (2302, 3380)]