31213170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 83445804

約数和(自身を除く): 52232634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 157, 235, 282, 314, 423, 470, 471, 705, 785, 846, 942, 1410, 1413, 1570, 2115, 2209, 2355, 2826, 4230, 4418, 4710, 6627, 7065, 7379, 11045, 13254, 14130, 14758, 19881, 22090, 22137, 33135, 36895, 39762, 44274, 66270, 66411, 73790, 99405, 110685, 132822, 198810, 221370, 332055, 346813, 664110, 693626, 1040439, 1734065, 2080878, 3121317, 3468130, 5202195, 6242634, 10404390, 15606585, 31213170]

約数ペア:

[(1, 31213170), (2, 15606585), (3, 10404390), (5, 6242634), (6, 5202195), (9, 3468130), (10, 3121317), (15, 2080878), (18, 1734065), (30, 1040439), (45, 693626), (47, 664110), (90, 346813), (94, 332055), (141, 221370), (157, 198810), (235, 132822), (282, 110685), (314, 99405), (423, 73790), (470, 66411), (471, 66270), (705, 44274), (785, 39762), (846, 36895), (942, 33135), (1410, 22137), (1413, 22090), (1570, 19881), (2115, 14758), (2209, 14130), (2355, 13254), (2826, 11045), (4230, 7379), (4418, 7065), (4710, 6627)]