31609140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1327}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 88795392

約数和(自身を除く): 57186252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 1191, 1327, 1588, 1985, 2382, 2654, 3970, 3981, 4764, 5308, 5955, 6635, 7940, 7962, 11910, 13270, 15924, 19905, 23820, 26540, 39810, 79620, 526819, 1053638, 1580457, 2107276, 2634095, 3160914, 5268190, 6321828, 7902285, 10536380, 15804570, 31609140]

約数ペア:

[(1, 31609140), (2, 15804570), (3, 10536380), (4, 7902285), (5, 6321828), (6, 5268190), (10, 3160914), (12, 2634095), (15, 2107276), (20, 1580457), (30, 1053638), (60, 526819), (397, 79620), (794, 39810), (1191, 26540), (1327, 23820), (1588, 19905), (1985, 15924), (2382, 13270), (2654, 11910), (3970, 7962), (3981, 7940), (4764, 6635), (5308, 5955)]