81562890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{25409}}^1$

素因数の和:25526

約数の個数: 32

約数和(自身を含む): 197588160

約数和(自身を除く): 116025270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 25409, 50818, 76227, 127045, 152454, 254090, 381135, 762270, 2718763, 5437526, 8156289, 13593815, 16312578, 27187630, 40781445, 81562890]

約数ペア:

[(1, 81562890), (2, 40781445), (3, 27187630), (5, 16312578), (6, 13593815), (10, 8156289), (15, 5437526), (30, 2718763), (107, 762270), (214, 381135), (321, 254090), (535, 152454), (642, 127045), (1070, 76227), (1605, 50818), (3210, 25409)]