245134440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{680929}}^1$

素因数の和:680946

約数の個数: 48

約数和(自身を含む): 796688100

約数和(自身を除く): 551553660

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, 680929, 1361858, 2042787, 2723716, 3404645, 4085574, 5447432, 6128361, 6809290, 8171148, 10213935, 12256722, 13618580, 16342296, 20427870, 24513444, 27237160, 30641805, 40855740, 49026888, 61283610, 81711480, 122567220, 245134440]

約数ペア:

[(1, 245134440), (2, 122567220), (3, 81711480), (4, 61283610), (5, 49026888), (6, 40855740), (8, 30641805), (9, 27237160), (10, 24513444), (12, 20427870), (15, 16342296), (18, 13618580), (20, 12256722), (24, 10213935), (30, 8171148), (36, 6809290), (40, 6128361), (45, 5447432), (60, 4085574), (72, 3404645), (90, 2723716), (120, 2042787), (180, 1361858), (360, 680929)]