30721572

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{40637}}^1$

素因数の和:40657

約数の個数: 48

約数和(自身を含む): 91029120

約数和(自身を除く): 60307548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 40637, 81274, 121911, 162548, 243822, 284459, 365733, 487644, 568918, 731466, 853377, 1097199, 1137836, 1462932, 1706754, 2194398, 2560131, 3413508, 4388796, 5120262, 7680393, 10240524, 15360786, 30721572]

約数ペア:

[(1, 30721572), (2, 15360786), (3, 10240524), (4, 7680393), (6, 5120262), (7, 4388796), (9, 3413508), (12, 2560131), (14, 2194398), (18, 1706754), (21, 1462932), (27, 1137836), (28, 1097199), (36, 853377), (42, 731466), (54, 568918), (63, 487644), (84, 365733), (108, 284459), (126, 243822), (189, 162548), (252, 121911), (378, 81274), (756, 40637)]