257985240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2149877}}^1$

素因数の和:2149891

約数の個数: 32

約数和(自身を含む): 773956080

約数和(自身を除く): 515970840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2149877, 4299754, 6449631, 8599508, 10749385, 12899262, 17199016, 21498770, 25798524, 32248155, 42997540, 51597048, 64496310, 85995080, 128992620, 257985240]

約数ペア:

[(1, 257985240), (2, 128992620), (3, 85995080), (4, 64496310), (5, 51597048), (6, 42997540), (8, 32248155), (10, 25798524), (12, 21498770), (15, 17199016), (20, 12899262), (24, 10749385), (30, 8599508), (40, 6449631), (60, 4299754), (120, 2149877)]