290932920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{808147}}^1$

素因数の和:808164

約数の個数: 48

約数和(自身を含む): 945533160

約数和(自身を除く): 654600240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 808147, 1616294, 2424441, 3232588, 4040735, 4848882, 6465176, 7273323, 8081470, 9697764, 12122205, 14546646, 16162940, 19395528, 24244410, 29093292, 32325880, 36366615, 48488820, 58186584, 72733230, 96977640, 145466460, 290932920]

約数ペア:

[(1, 290932920), (2, 145466460), (3, 96977640), (4, 72733230), (5, 58186584), (6, 48488820), (8, 36366615), (9, 32325880), (10, 29093292), (12, 24244410), (15, 19395528), (18, 16162940), (20, 14546646), (24, 12122205), (30, 9697764), (36, 8081470), (40, 7273323), (45, 6465176), (60, 4848882), (72, 4040735), (90, 3232588), (120, 2424441), (180, 1616294), (360, 808147)]