31865220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{839}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 97231680

約数和(自身を除く): 65366460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 839, 844, 1055, 1266, 1678, 1899, 2110, 2517, 2532, 3165, 3356, 3798, 4195, 4220, 5034, 6330, 7551, 7596, 8390, 9495, 10068, 12585, 12660, 15102, 16780, 18990, 25170, 30204, 37755, 37980, 50340, 75510, 151020, 177029, 354058, 531087, 708116, 885145, 1062174, 1593261, 1770290, 2124348, 2655435, 3186522, 3540580, 5310870, 6373044, 7966305, 10621740, 15932610, 31865220]

約数ペア:

[(1, 31865220), (2, 15932610), (3, 10621740), (4, 7966305), (5, 6373044), (6, 5310870), (9, 3540580), (10, 3186522), (12, 2655435), (15, 2124348), (18, 1770290), (20, 1593261), (30, 1062174), (36, 885145), (45, 708116), (60, 531087), (90, 354058), (180, 177029), (211, 151020), (422, 75510), (633, 50340), (839, 37980), (844, 37755), (1055, 30204), (1266, 25170), (1678, 18990), (1899, 16780), (2110, 15102), (2517, 12660), (2532, 12585), (3165, 10068), (3356, 9495), (3798, 8390), (4195, 7596), (4220, 7551), (5034, 6330)]