63781720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 147251520

約数和(自身を除く): 83469800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 113, 137, 206, 226, 274, 412, 452, 515, 548, 565, 685, 824, 904, 1030, 1096, 1130, 1370, 2060, 2260, 2740, 4120, 4520, 5480, 11639, 14111, 15481, 23278, 28222, 30962, 46556, 56444, 58195, 61924, 70555, 77405, 93112, 112888, 116390, 123848, 141110, 154810, 232780, 282220, 309620, 465560, 564440, 619240, 1594543, 3189086, 6378172, 7972715, 12756344, 15945430, 31890860, 63781720]

約数ペア:

[(1, 63781720), (2, 31890860), (4, 15945430), (5, 12756344), (8, 7972715), (10, 6378172), (20, 3189086), (40, 1594543), (103, 619240), (113, 564440), (137, 465560), (206, 309620), (226, 282220), (274, 232780), (412, 154810), (452, 141110), (515, 123848), (548, 116390), (565, 112888), (685, 93112), (824, 77405), (904, 70555), (1030, 61924), (1096, 58195), (1130, 56444), (1370, 46556), (2060, 30962), (2260, 28222), (2740, 23278), (4120, 15481), (4520, 14111), (5480, 11639)]