81145290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87253}}^1$

素因数の和:87294

約数の個数: 32

約数和(自身を含む): 201033216

約数和(自身を除く): 119887926

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 87253, 174506, 261759, 436265, 523518, 872530, 1308795, 2617590, 2704843, 5409686, 8114529, 13524215, 16229058, 27048430, 40572645, 81145290]

約数ペア:

[(1, 81145290), (2, 40572645), (3, 27048430), (5, 16229058), (6, 13524215), (10, 8114529), (15, 5409686), (30, 2704843), (31, 2617590), (62, 1308795), (93, 872530), (155, 523518), (186, 436265), (310, 261759), (465, 174506), (930, 87253)]