15845830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1583}}^1$

素因数の和:1621

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 22474298

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 1583, 2002, 3166, 5005, 7915, 10010, 11081, 15830, 17413, 20579, 22162, 34826, 41158, 55405, 87065, 102895, 110810, 121891, 144053, 174130, 205790, 226369, 243782, 288106, 452738, 609455, 720265, 1131845, 1218910, 1440530, 1584583, 2263690, 3169166, 7922915, 15845830]

約数ペア:

[(1, 15845830), (2, 7922915), (5, 3169166), (7, 2263690), (10, 1584583), (11, 1440530), (13, 1218910), (14, 1131845), (22, 720265), (26, 609455), (35, 452738), (55, 288106), (65, 243782), (70, 226369), (77, 205790), (91, 174130), (110, 144053), (130, 121891), (143, 110810), (154, 102895), (182, 87065), (286, 55405), (385, 41158), (455, 34826), (715, 22162), (770, 20579), (910, 17413), (1001, 15830), (1430, 11081), (1583, 10010), (2002, 7915), (3166, 5005)]