997620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 3010560

約数和(自身を除く): 2012940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1279, 2558, 3837, 5116, 6395, 7674, 12790, 15348, 16627, 19185, 25580, 33254, 38370, 49881, 66508, 76740, 83135, 99762, 166270, 199524, 249405, 332540, 498810, 997620]

約数ペア:

[(1, 997620), (2, 498810), (3, 332540), (4, 249405), (5, 199524), (6, 166270), (10, 99762), (12, 83135), (13, 76740), (15, 66508), (20, 49881), (26, 38370), (30, 33254), (39, 25580), (52, 19185), (60, 16627), (65, 15348), (78, 12790), (130, 7674), (156, 6395), (195, 5116), (260, 3837), (390, 2558), (780, 1279)]