15290720

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 36369648

約数和(自身を除く): 21078928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 421, 454, 842, 908, 1135, 1684, 1816, 2105, 2270, 3368, 3632, 4210, 4540, 6736, 7264, 8420, 9080, 13472, 16840, 18160, 33680, 36320, 67360, 95567, 191134, 382268, 477835, 764536, 955670, 1529072, 1911340, 3058144, 3822680, 7645360, 15290720]

約数ペア:

[(1, 15290720), (2, 7645360), (4, 3822680), (5, 3058144), (8, 1911340), (10, 1529072), (16, 955670), (20, 764536), (32, 477835), (40, 382268), (80, 191134), (160, 95567), (227, 67360), (421, 36320), (454, 33680), (842, 18160), (908, 16840), (1135, 13472), (1684, 9080), (1816, 8420), (2105, 7264), (2270, 6736), (3368, 4540), (3632, 4210)]