68691920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78059}}^1$

素因数の和:78083

約数の個数: 40

約数和(自身を含む): 174229920

約数和(自身を除く): 105538000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 78059, 156118, 312236, 390295, 624472, 780590, 858649, 1248944, 1561180, 1717298, 3122360, 3434596, 4293245, 6244720, 6869192, 8586490, 13738384, 17172980, 34345960, 68691920]

約数ペア:

[(1, 68691920), (2, 34345960), (4, 17172980), (5, 13738384), (8, 8586490), (10, 6869192), (11, 6244720), (16, 4293245), (20, 3434596), (22, 3122360), (40, 1717298), (44, 1561180), (55, 1248944), (80, 858649), (88, 780590), (110, 624472), (176, 390295), (220, 312236), (440, 156118), (880, 78059)]