2557980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1579}}^1$

素因数の和:1600

約数の個数: 60

約数和(自身を含む): 8029560

約数和(自身を除く): 5471580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1579, 1620, 3158, 4737, 6316, 7895, 9474, 14211, 15790, 18948, 23685, 28422, 31580, 42633, 47370, 56844, 71055, 85266, 94740, 127899, 142110, 170532, 213165, 255798, 284220, 426330, 511596, 639495, 852660, 1278990, 2557980]

約数ペア:

[(1, 2557980), (2, 1278990), (3, 852660), (4, 639495), (5, 511596), (6, 426330), (9, 284220), (10, 255798), (12, 213165), (15, 170532), (18, 142110), (20, 127899), (27, 94740), (30, 85266), (36, 71055), (45, 56844), (54, 47370), (60, 42633), (81, 31580), (90, 28422), (108, 23685), (135, 18948), (162, 15790), (180, 14211), (270, 9474), (324, 7895), (405, 6316), (540, 4737), (810, 3158), (1579, 1620)]