81830560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73063}}^1$

素因数の和:73085

約数の個数: 48

約数和(自身を含む): 220945536

約数和(自身を除く): 139114976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 73063, 146126, 292252, 365315, 511441, 584504, 730630, 1022882, 1169008, 1461260, 2045764, 2338016, 2557205, 2922520, 4091528, 5114410, 5845040, 8183056, 10228820, 11690080, 16366112, 20457640, 40915280, 81830560]

約数ペア:

[(1, 81830560), (2, 40915280), (4, 20457640), (5, 16366112), (7, 11690080), (8, 10228820), (10, 8183056), (14, 5845040), (16, 5114410), (20, 4091528), (28, 2922520), (32, 2557205), (35, 2338016), (40, 2045764), (56, 1461260), (70, 1169008), (80, 1022882), (112, 730630), (140, 584504), (160, 511441), (224, 365315), (280, 292252), (560, 146126), (1120, 73063)]