30220720

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3343}}^1$

素因数の和:3469

約数の個数: 40

約数和(自身を含む): 70906176

約数和(自身を除く): 40685456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 3343, 4520, 6686, 9040, 13372, 16715, 26744, 33430, 53488, 66860, 133720, 267440, 377759, 755518, 1511036, 1888795, 3022072, 3777590, 6044144, 7555180, 15110360, 30220720]

約数ペア:

[(1, 30220720), (2, 15110360), (4, 7555180), (5, 6044144), (8, 3777590), (10, 3022072), (16, 1888795), (20, 1511036), (40, 755518), (80, 377759), (113, 267440), (226, 133720), (452, 66860), (565, 53488), (904, 33430), (1130, 26744), (1808, 16715), (2260, 13372), (3343, 9040), (4520, 6686)]