65725520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 175726848

約数和(自身を除く): 110001328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 482, 487, 560, 964, 974, 1205, 1687, 1928, 1948, 2410, 2435, 3374, 3409, 3856, 3896, 4820, 4870, 6748, 6818, 7792, 8435, 9640, 9740, 13496, 13636, 16870, 17045, 19280, 19480, 26992, 27272, 33740, 34090, 38960, 54544, 67480, 68180, 117367, 134960, 136360, 234734, 272720, 469468, 586835, 821569, 938936, 1173670, 1643138, 1877872, 2347340, 3286276, 4107845, 4694680, 6572552, 8215690, 9389360, 13145104, 16431380, 32862760, 65725520]

約数ペア:

[(1, 65725520), (2, 32862760), (4, 16431380), (5, 13145104), (7, 9389360), (8, 8215690), (10, 6572552), (14, 4694680), (16, 4107845), (20, 3286276), (28, 2347340), (35, 1877872), (40, 1643138), (56, 1173670), (70, 938936), (80, 821569), (112, 586835), (140, 469468), (241, 272720), (280, 234734), (482, 136360), (487, 134960), (560, 117367), (964, 68180), (974, 67480), (1205, 54544), (1687, 38960), (1928, 34090), (1948, 33740), (2410, 27272), (2435, 26992), (3374, 19480), (3409, 19280), (3856, 17045), (3896, 16870), (4820, 13636), (4870, 13496), (6748, 9740), (6818, 9640), (7792, 8435)]