31698180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{769}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 96696600

約数和(自身を除く): 64998420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 769, 916, 1145, 1374, 1538, 2061, 2290, 2307, 2748, 3076, 3435, 3845, 4122, 4580, 4614, 6870, 6921, 7690, 8244, 9228, 10305, 11535, 13740, 13842, 15380, 20610, 23070, 27684, 34605, 41220, 46140, 69210, 138420, 176101, 352202, 528303, 704404, 880505, 1056606, 1584909, 1761010, 2113212, 2641515, 3169818, 3522020, 5283030, 6339636, 7924545, 10566060, 15849090, 31698180]

約数ペア:

[(1, 31698180), (2, 15849090), (3, 10566060), (4, 7924545), (5, 6339636), (6, 5283030), (9, 3522020), (10, 3169818), (12, 2641515), (15, 2113212), (18, 1761010), (20, 1584909), (30, 1056606), (36, 880505), (45, 704404), (60, 528303), (90, 352202), (180, 176101), (229, 138420), (458, 69210), (687, 46140), (769, 41220), (916, 34605), (1145, 27684), (1374, 23070), (1538, 20610), (2061, 15380), (2290, 13842), (2307, 13740), (2748, 11535), (3076, 10305), (3435, 9228), (3845, 8244), (4122, 7690), (4580, 6921), (4614, 6870)]