15575120

素因数分解:

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

素因数の和:1644

約数の個数: 60

約数和(自身を含む): 39828180

約数和(自身を除く): 24253060

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1609, 1936, 2420, 3218, 4840, 6436, 8045, 9680, 12872, 16090, 17699, 25744, 32180, 35398, 64360, 70796, 88495, 128720, 141592, 176990, 194689, 283184, 353980, 389378, 707960, 778756, 973445, 1415920, 1557512, 1946890, 3115024, 3893780, 7787560, 15575120]

約数ペア:

[(1, 15575120), (2, 7787560), (4, 3893780), (5, 3115024), (8, 1946890), (10, 1557512), (11, 1415920), (16, 973445), (20, 778756), (22, 707960), (40, 389378), (44, 353980), (55, 283184), (80, 194689), (88, 176990), (110, 141592), (121, 128720), (176, 88495), (220, 70796), (242, 64360), (440, 35398), (484, 32180), (605, 25744), (880, 17699), (968, 16090), (1210, 12872), (1609, 9680), (1936, 8045), (2420, 6436), (3218, 4840)]