15818270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 15026530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 449, 542, 898, 1355, 2245, 2710, 3523, 4490, 5837, 7046, 11674, 17615, 29185, 35230, 58370, 121679, 243358, 608395, 1216790, 1581827, 3163654, 7909135, 15818270]

約数ペア:

[(1, 15818270), (2, 7909135), (5, 3163654), (10, 1581827), (13, 1216790), (26, 608395), (65, 243358), (130, 121679), (271, 58370), (449, 35230), (542, 29185), (898, 17615), (1355, 11674), (2245, 7046), (2710, 5837), (3523, 4490)]