2223780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2851}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 6707904

約数和(自身を除く): 4484124

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, 2851, 5702, 8553, 11404, 14255, 17106, 28510, 34212, 37063, 42765, 57020, 74126, 85530, 111189, 148252, 171060, 185315, 222378, 370630, 444756, 555945, 741260, 1111890, 2223780]

約数ペア:

[(1, 2223780), (2, 1111890), (3, 741260), (4, 555945), (5, 444756), (6, 370630), (10, 222378), (12, 185315), (13, 171060), (15, 148252), (20, 111189), (26, 85530), (30, 74126), (39, 57020), (52, 42765), (60, 37063), (65, 34212), (78, 28510), (130, 17106), (156, 14255), (195, 11404), (260, 8553), (390, 5702), (780, 2851)]