131206440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1099

約数の個数: 128

約数和(自身を含む): 418608000

約数和(自身を除く): 287401560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 290, 296, 348, 370, 435, 444, 555, 580, 696, 740, 870, 888, 1019, 1073, 1110, 1160, 1480, 1740, 2038, 2146, 2220, 3057, 3219, 3480, 4076, 4292, 4440, 5095, 5365, 6114, 6438, 8152, 8584, 10190, 10730, 12228, 12876, 15285, 16095, 20380, 21460, 24456, 25752, 29551, 30570, 32190, 37703, 40760, 42920, 59102, 61140, 64380, 75406, 88653, 113109, 118204, 122280, 128760, 147755, 150812, 177306, 188515, 226218, 236408, 295510, 301624, 354612, 377030, 443265, 452436, 565545, 591020, 709224, 754060, 886530, 904872, 1093387, 1131090, 1182040, 1508120, 1773060, 2186774, 2262180, 3280161, 3546120, 4373548, 4524360, 5466935, 6560322, 8747096, 10933870, 13120644, 16400805, 21867740, 26241288, 32801610, 43735480, 65603220, 131206440]

約数ペア:

[(1, 131206440), (2, 65603220), (3, 43735480), (4, 32801610), (5, 26241288), (6, 21867740), (8, 16400805), (10, 13120644), (12, 10933870), (15, 8747096), (20, 6560322), (24, 5466935), (29, 4524360), (30, 4373548), (37, 3546120), (40, 3280161), (58, 2262180), (60, 2186774), (74, 1773060), (87, 1508120), (111, 1182040), (116, 1131090), (120, 1093387), (145, 904872), (148, 886530), (174, 754060), (185, 709224), (222, 591020), (232, 565545), (290, 452436), (296, 443265), (348, 377030), (370, 354612), (435, 301624), (444, 295510), (555, 236408), (580, 226218), (696, 188515), (740, 177306), (870, 150812), (888, 147755), (1019, 128760), (1073, 122280), (1110, 118204), (1160, 113109), (1480, 88653), (1740, 75406), (2038, 64380), (2146, 61140), (2220, 59102), (3057, 42920), (3219, 40760), (3480, 37703), (4076, 32190), (4292, 30570), (4440, 29551), (5095, 25752), (5365, 24456), (6114, 21460), (6438, 20380), (8152, 16095), (8584, 15285), (10190, 12876), (10730, 12228)]