80553840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{335641}}^1$

素因数の和:335657

約数の個数: 40

約数和(自身を含む): 249717648

約数和(自身を除く): 169163808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 335641, 671282, 1006923, 1342564, 1678205, 2013846, 2685128, 3356410, 4027692, 5034615, 5370256, 6712820, 8055384, 10069230, 13425640, 16110768, 20138460, 26851280, 40276920, 80553840]

約数ペア:

[(1, 80553840), (2, 40276920), (3, 26851280), (4, 20138460), (5, 16110768), (6, 13425640), (8, 10069230), (10, 8055384), (12, 6712820), (15, 5370256), (16, 5034615), (20, 4027692), (24, 3356410), (30, 2685128), (40, 2013846), (48, 1678205), (60, 1342564), (80, 1006923), (120, 671282), (240, 335641)]