71788590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1531}}^1$

素因数の和:2065

約数の個数: 48

約数和(自身を含む): 187130736

約数和(自身を除く): 115342146

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 521, 1042, 1531, 1563, 2605, 3062, 3126, 4593, 4689, 5210, 7655, 7815, 9186, 9378, 13779, 15310, 15630, 22965, 23445, 27558, 45930, 46890, 68895, 137790, 797651, 1595302, 2392953, 3988255, 4785906, 7178859, 7976510, 11964765, 14357718, 23929530, 35894295, 71788590]

約数ペア:

[(1, 71788590), (2, 35894295), (3, 23929530), (5, 14357718), (6, 11964765), (9, 7976510), (10, 7178859), (15, 4785906), (18, 3988255), (30, 2392953), (45, 1595302), (90, 797651), (521, 137790), (1042, 68895), (1531, 46890), (1563, 45930), (2605, 27558), (3062, 23445), (3126, 22965), (4593, 15630), (4689, 15310), (5210, 13779), (7655, 9378), (7815, 9186)]