56591970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^2$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 138583872

約数和(自身を除く): 81991902

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 163, 213, 326, 355, 426, 489, 710, 815, 978, 1065, 1630, 2130, 2445, 4890, 11573, 23146, 26569, 34719, 53138, 57865, 69438, 79707, 115730, 132845, 159414, 173595, 265690, 347190, 398535, 797070, 1886399, 3772798, 5659197, 9431995, 11318394, 18863990, 28295985, 56591970]

約数ペア:

[(1, 56591970), (2, 28295985), (3, 18863990), (5, 11318394), (6, 9431995), (10, 5659197), (15, 3772798), (30, 1886399), (71, 797070), (142, 398535), (163, 347190), (213, 265690), (326, 173595), (355, 159414), (426, 132845), (489, 115730), (710, 79707), (815, 69438), (978, 57865), (1065, 53138), (1630, 34719), (2130, 26569), (2445, 23146), (4890, 11573)]