68890520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 163537920

約数和(自身を除く): 94647400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 412, 460, 515, 727, 824, 920, 1030, 1454, 2060, 2369, 2908, 3635, 4120, 4738, 5816, 7270, 9476, 11845, 14540, 16721, 18952, 23690, 29080, 33442, 47380, 66884, 74881, 83605, 94760, 133768, 149762, 167210, 299524, 334420, 374405, 599048, 668840, 748810, 1497620, 1722263, 2995240, 3444526, 6889052, 8611315, 13778104, 17222630, 34445260, 68890520]

約数ペア:

[(1, 68890520), (2, 34445260), (4, 17222630), (5, 13778104), (8, 8611315), (10, 6889052), (20, 3444526), (23, 2995240), (40, 1722263), (46, 1497620), (92, 748810), (103, 668840), (115, 599048), (184, 374405), (206, 334420), (230, 299524), (412, 167210), (460, 149762), (515, 133768), (727, 94760), (824, 83605), (920, 74881), (1030, 66884), (1454, 47380), (2060, 33442), (2369, 29080), (2908, 23690), (3635, 18952), (4120, 16721), (4738, 14540), (5816, 11845), (7270, 9476)]