31417620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:929

約数の個数: 96

約数和(自身を含む): 96864768

約数和(自身を除く): 65447148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 235, 260, 282, 390, 470, 564, 611, 705, 780, 857, 940, 1222, 1410, 1714, 1833, 2444, 2571, 2820, 3055, 3428, 3666, 4285, 5142, 6110, 7332, 8570, 9165, 10284, 11141, 12220, 12855, 17140, 18330, 22282, 25710, 33423, 36660, 40279, 44564, 51420, 55705, 66846, 80558, 111410, 120837, 133692, 161116, 167115, 201395, 222820, 241674, 334230, 402790, 483348, 523627, 604185, 668460, 805580, 1047254, 1208370, 1570881, 2094508, 2416740, 2618135, 3141762, 5236270, 6283524, 7854405, 10472540, 15708810, 31417620]

約数ペア:

[(1, 31417620), (2, 15708810), (3, 10472540), (4, 7854405), (5, 6283524), (6, 5236270), (10, 3141762), (12, 2618135), (13, 2416740), (15, 2094508), (20, 1570881), (26, 1208370), (30, 1047254), (39, 805580), (47, 668460), (52, 604185), (60, 523627), (65, 483348), (78, 402790), (94, 334230), (130, 241674), (141, 222820), (156, 201395), (188, 167115), (195, 161116), (235, 133692), (260, 120837), (282, 111410), (390, 80558), (470, 66846), (564, 55705), (611, 51420), (705, 44564), (780, 40279), (857, 36660), (940, 33423), (1222, 25710), (1410, 22282), (1714, 18330), (1833, 17140), (2444, 12855), (2571, 12220), (2820, 11141), (3055, 10284), (3428, 9165), (3666, 8570), (4285, 7332), (5142, 6110)]