72537780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172709}}^1$

素因数の和:172728

約数の個数: 48

約数和(自身を含む): 232122240

約数和(自身を除く): 159584460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 172709, 345418, 518127, 690836, 863545, 1036254, 1208963, 1727090, 2072508, 2417926, 2590635, 3454180, 3626889, 4835852, 5181270, 6044815, 7253778, 10362540, 12089630, 14507556, 18134445, 24179260, 36268890, 72537780]

約数ペア:

[(1, 72537780), (2, 36268890), (3, 24179260), (4, 18134445), (5, 14507556), (6, 12089630), (7, 10362540), (10, 7253778), (12, 6044815), (14, 5181270), (15, 4835852), (20, 3626889), (21, 3454180), (28, 2590635), (30, 2417926), (35, 2072508), (42, 1727090), (60, 1208963), (70, 1036254), (84, 863545), (105, 690836), (140, 518127), (210, 345418), (420, 172709)]