72097960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163859}}^1$

素因数の和:163881

約数の個数: 32

約数和(自身を含む): 176968800

約数和(自身を除く): 104870840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163859, 327718, 655436, 819295, 1310872, 1638590, 1802449, 3277180, 3604898, 6554360, 7209796, 9012245, 14419592, 18024490, 36048980, 72097960]

約数ペア:

[(1, 72097960), (2, 36048980), (4, 18024490), (5, 14419592), (8, 9012245), (10, 7209796), (11, 6554360), (20, 3604898), (22, 3277180), (40, 1802449), (44, 1638590), (55, 1310872), (88, 819295), (110, 655436), (220, 327718), (440, 163859)]