31221690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2111}}^1$

素因数の和:2167

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 50892870

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 85, 87, 102, 145, 170, 174, 255, 290, 435, 493, 510, 870, 986, 1479, 2111, 2465, 2958, 4222, 4930, 6333, 7395, 10555, 12666, 14790, 21110, 31665, 35887, 61219, 63330, 71774, 107661, 122438, 179435, 183657, 215322, 306095, 358870, 367314, 538305, 612190, 918285, 1040723, 1076610, 1836570, 2081446, 3122169, 5203615, 6244338, 10407230, 15610845, 31221690]

約数ペア:

[(1, 31221690), (2, 15610845), (3, 10407230), (5, 6244338), (6, 5203615), (10, 3122169), (15, 2081446), (17, 1836570), (29, 1076610), (30, 1040723), (34, 918285), (51, 612190), (58, 538305), (85, 367314), (87, 358870), (102, 306095), (145, 215322), (170, 183657), (174, 179435), (255, 122438), (290, 107661), (435, 71774), (493, 63330), (510, 61219), (870, 35887), (986, 31665), (1479, 21110), (2111, 14790), (2465, 12666), (2958, 10555), (4222, 7395), (4930, 6333)]