31271550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1279}}^1$

素因数の和:1457

約数の個数: 48

約数和(自身を含む): 78090240

約数和(自身を除く): 46818690

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 163, 326, 489, 815, 978, 1279, 1630, 2445, 2558, 3837, 4075, 4890, 6395, 7674, 8150, 12225, 12790, 19185, 24450, 31975, 38370, 63950, 95925, 191850, 208477, 416954, 625431, 1042385, 1250862, 2084770, 3127155, 5211925, 6254310, 10423850, 15635775, 31271550]

約数ペア:

[(1, 31271550), (2, 15635775), (3, 10423850), (5, 6254310), (6, 5211925), (10, 3127155), (15, 2084770), (25, 1250862), (30, 1042385), (50, 625431), (75, 416954), (150, 208477), (163, 191850), (326, 95925), (489, 63950), (815, 38370), (978, 31975), (1279, 24450), (1630, 19185), (2445, 12790), (2558, 12225), (3837, 8150), (4075, 7674), (4890, 6395)]