164023640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2287}}^1$

素因数の和:2472

約数の個数: 64

約数和(自身を含む): 405250560

約数和(自身を除く): 241226920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1304, 1630, 1793, 2287, 3260, 3586, 4574, 6520, 7172, 8965, 9148, 11435, 14344, 17930, 18296, 22870, 25157, 35860, 45740, 50314, 71720, 91480, 100628, 125785, 201256, 251570, 372781, 503140, 745562, 1006280, 1491124, 1863905, 2982248, 3727810, 4100591, 7455620, 8201182, 14911240, 16402364, 20502955, 32804728, 41005910, 82011820, 164023640]

約数ペア:

[(1, 164023640), (2, 82011820), (4, 41005910), (5, 32804728), (8, 20502955), (10, 16402364), (11, 14911240), (20, 8201182), (22, 7455620), (40, 4100591), (44, 3727810), (55, 2982248), (88, 1863905), (110, 1491124), (163, 1006280), (220, 745562), (326, 503140), (440, 372781), (652, 251570), (815, 201256), (1304, 125785), (1630, 100628), (1793, 91480), (2287, 71720), (3260, 50314), (3586, 45740), (4574, 35860), (6520, 25157), (7172, 22870), (8965, 18296), (9148, 17930), (11435, 14344)]