81436440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678637}}^1$

素因数の和:678651

約数の個数: 32

約数和(自身を含む): 244309680

約数和(自身を除く): 162873240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678637, 1357274, 2035911, 2714548, 3393185, 4071822, 5429096, 6786370, 8143644, 10179555, 13572740, 16287288, 20359110, 27145480, 40718220, 81436440]

約数ペア:

[(1, 81436440), (2, 40718220), (3, 27145480), (4, 20359110), (5, 16287288), (6, 13572740), (8, 10179555), (10, 8143644), (12, 6786370), (15, 5429096), (20, 4071822), (24, 3393185), (30, 2714548), (40, 2035911), (60, 1357274), (120, 678637)]