64485520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 165132288

約数和(自身を除く): 100646768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 577, 635, 880, 1016, 1154, 1270, 1397, 2032, 2308, 2540, 2794, 2885, 4616, 5080, 5588, 5770, 6347, 6985, 9232, 10160, 11176, 11540, 12694, 13970, 22352, 23080, 25388, 27940, 31735, 46160, 50776, 55880, 63470, 73279, 101552, 111760, 126940, 146558, 253880, 293116, 366395, 507760, 586232, 732790, 806069, 1172464, 1465580, 1612138, 2931160, 3224276, 4030345, 5862320, 6448552, 8060690, 12897104, 16121380, 32242760, 64485520]

約数ペア:

[(1, 64485520), (2, 32242760), (4, 16121380), (5, 12897104), (8, 8060690), (10, 6448552), (11, 5862320), (16, 4030345), (20, 3224276), (22, 2931160), (40, 1612138), (44, 1465580), (55, 1172464), (80, 806069), (88, 732790), (110, 586232), (127, 507760), (176, 366395), (220, 293116), (254, 253880), (440, 146558), (508, 126940), (577, 111760), (635, 101552), (880, 73279), (1016, 63470), (1154, 55880), (1270, 50776), (1397, 46160), (2032, 31735), (2308, 27940), (2540, 25388), (2794, 23080), (2885, 22352), (4616, 13970), (5080, 12694), (5588, 11540), (5770, 11176), (6347, 10160), (6985, 9232)]