77498080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4003}}^1$

素因数の和:4040

約数の個数: 72

約数和(自身を含む): 201297096

約数和(自身を除く): 123799016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4003, 4840, 8006, 9680, 16012, 19360, 20015, 32024, 40030, 44033, 64048, 80060, 88066, 128096, 160120, 176132, 220165, 320240, 352264, 440330, 484363, 640480, 704528, 880660, 968726, 1409056, 1761320, 1937452, 2421815, 3522640, 3874904, 4843630, 7045280, 7749808, 9687260, 15499616, 19374520, 38749040, 77498080]

約数ペア:

[(1, 77498080), (2, 38749040), (4, 19374520), (5, 15499616), (8, 9687260), (10, 7749808), (11, 7045280), (16, 4843630), (20, 3874904), (22, 3522640), (32, 2421815), (40, 1937452), (44, 1761320), (55, 1409056), (80, 968726), (88, 880660), (110, 704528), (121, 640480), (160, 484363), (176, 440330), (220, 352264), (242, 320240), (352, 220165), (440, 176132), (484, 160120), (605, 128096), (880, 88066), (968, 80060), (1210, 64048), (1760, 44033), (1936, 40030), (2420, 32024), (3872, 20015), (4003, 19360), (4840, 16012), (8006, 9680)]