1415920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1609}}^1$

素因数の和:1633

約数の個数: 40

約数和(自身を含む): 3593520

約数和(自身を除く): 2177600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1609, 3218, 6436, 8045, 12872, 16090, 17699, 25744, 32180, 35398, 64360, 70796, 88495, 128720, 141592, 176990, 283184, 353980, 707960, 1415920]

約数ペア:

[(1, 1415920), (2, 707960), (4, 353980), (5, 283184), (8, 176990), (10, 141592), (11, 128720), (16, 88495), (20, 70796), (22, 64360), (40, 35398), (44, 32180), (55, 25744), (80, 17699), (88, 16090), (110, 12872), (176, 8045), (220, 6436), (440, 3218), (880, 1609)]