657486080

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4987}}^1$

素因数の和:5111

約数の個数: 72

約数和(自身を含む): 1590493632

約数和(自身を除く): 933007552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 515, 640, 824, 1030, 1280, 1648, 2060, 3296, 4120, 4987, 6592, 8240, 9974, 13184, 16480, 19948, 24935, 26368, 32960, 39896, 49870, 65920, 79792, 99740, 131840, 159584, 199480, 319168, 398960, 513661, 638336, 797920, 1027322, 1276672, 1595840, 2054644, 2568305, 3191680, 4109288, 5136610, 6383360, 8218576, 10273220, 16437152, 20546440, 32874304, 41092880, 65748608, 82185760, 131497216, 164371520, 328743040, 657486080]

約数ペア:

[(1, 657486080), (2, 328743040), (4, 164371520), (5, 131497216), (8, 82185760), (10, 65748608), (16, 41092880), (20, 32874304), (32, 20546440), (40, 16437152), (64, 10273220), (80, 8218576), (103, 6383360), (128, 5136610), (160, 4109288), (206, 3191680), (256, 2568305), (320, 2054644), (412, 1595840), (515, 1276672), (640, 1027322), (824, 797920), (1030, 638336), (1280, 513661), (1648, 398960), (2060, 319168), (3296, 199480), (4120, 159584), (4987, 131840), (6592, 99740), (8240, 79792), (9974, 65920), (13184, 49870), (16480, 39896), (19948, 32960), (24935, 26368)]