31731660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1019}}^1$

素因数の和:1207

約数の個数: 72

約数和(自身を含む): 96904080

約数和(自身を除く): 65172420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1019, 1038, 1557, 1730, 2038, 2076, 2595, 3057, 3114, 3460, 4076, 5095, 5190, 6114, 6228, 7785, 9171, 10190, 10380, 12228, 15285, 15570, 18342, 20380, 30570, 31140, 36684, 45855, 61140, 91710, 176287, 183420, 352574, 528861, 705148, 881435, 1057722, 1586583, 1762870, 2115444, 2644305, 3173166, 3525740, 5288610, 6346332, 7932915, 10577220, 15865830, 31731660]

約数ペア:

[(1, 31731660), (2, 15865830), (3, 10577220), (4, 7932915), (5, 6346332), (6, 5288610), (9, 3525740), (10, 3173166), (12, 2644305), (15, 2115444), (18, 1762870), (20, 1586583), (30, 1057722), (36, 881435), (45, 705148), (60, 528861), (90, 352574), (173, 183420), (180, 176287), (346, 91710), (519, 61140), (692, 45855), (865, 36684), (1019, 31140), (1038, 30570), (1557, 20380), (1730, 18342), (2038, 15570), (2076, 15285), (2595, 12228), (3057, 10380), (3114, 10190), (3460, 9171), (4076, 7785), (5095, 6228), (5190, 6114)]