1255145820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{565381}}^1$

素因数の和:565430

約数の個数: 48

約数和(自身を含む): 3609398688

約数和(自身を除く): 2354252868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 565381, 1130762, 1696143, 2261524, 2826905, 3392286, 5653810, 6784572, 8480715, 11307620, 16961430, 20919097, 33922860, 41838194, 62757291, 83676388, 104595485, 125514582, 209190970, 251029164, 313786455, 418381940, 627572910, 1255145820]

約数ペア:

[(1, 1255145820), (2, 627572910), (3, 418381940), (4, 313786455), (5, 251029164), (6, 209190970), (10, 125514582), (12, 104595485), (15, 83676388), (20, 62757291), (30, 41838194), (37, 33922860), (60, 20919097), (74, 16961430), (111, 11307620), (148, 8480715), (185, 6784572), (222, 5653810), (370, 3392286), (444, 2826905), (555, 2261524), (740, 1696143), (1110, 1130762), (2220, 565381)]