31691660

素因数分解:

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

素因数の和:1623

約数の個数: 96

約数和(自身を含む): 89413632

約数和(自身を除く): 57721972

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1583, 1820, 2002, 2860, 3166, 4004, 5005, 6332, 7915, 10010, 11081, 15830, 17413, 20020, 20579, 22162, 31660, 34826, 41158, 44324, 55405, 69652, 82316, 87065, 102895, 110810, 121891, 144053, 174130, 205790, 221620, 226369, 243782, 288106, 348260, 411580, 452738, 487564, 576212, 609455, 720265, 905476, 1131845, 1218910, 1440530, 1584583, 2263690, 2437820, 2881060, 3169166, 4527380, 6338332, 7922915, 15845830, 31691660]

約数ペア:

[(1, 31691660), (2, 15845830), (4, 7922915), (5, 6338332), (7, 4527380), (10, 3169166), (11, 2881060), (13, 2437820), (14, 2263690), (20, 1584583), (22, 1440530), (26, 1218910), (28, 1131845), (35, 905476), (44, 720265), (52, 609455), (55, 576212), (65, 487564), (70, 452738), (77, 411580), (91, 348260), (110, 288106), (130, 243782), (140, 226369), (143, 221620), (154, 205790), (182, 174130), (220, 144053), (260, 121891), (286, 110810), (308, 102895), (364, 87065), (385, 82316), (455, 69652), (572, 55405), (715, 44324), (770, 41158), (910, 34826), (1001, 31660), (1430, 22162), (1540, 20579), (1583, 20020), (1820, 17413), (2002, 15830), (2860, 11081), (3166, 10010), (4004, 7915), (5005, 6332)]