218362860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1979}}^1$

素因数の和:2607

約数の個数: 72

約数和(自身を含む): 663783120

約数和(自身を除く): 445420260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 613, 1226, 1839, 1979, 2452, 3065, 3678, 3958, 5517, 5937, 6130, 7356, 7916, 9195, 9895, 11034, 11874, 12260, 17811, 18390, 19790, 22068, 23748, 27585, 29685, 35622, 36780, 39580, 55170, 59370, 71244, 89055, 110340, 118740, 178110, 356220, 1213127, 2426254, 3639381, 4852508, 6065635, 7278762, 10918143, 12131270, 14557524, 18196905, 21836286, 24262540, 36393810, 43672572, 54590715, 72787620, 109181430, 218362860]

約数ペア:

[(1, 218362860), (2, 109181430), (3, 72787620), (4, 54590715), (5, 43672572), (6, 36393810), (9, 24262540), (10, 21836286), (12, 18196905), (15, 14557524), (18, 12131270), (20, 10918143), (30, 7278762), (36, 6065635), (45, 4852508), (60, 3639381), (90, 2426254), (180, 1213127), (613, 356220), (1226, 178110), (1839, 118740), (1979, 110340), (2452, 89055), (3065, 71244), (3678, 59370), (3958, 55170), (5517, 39580), (5937, 36780), (6130, 35622), (7356, 29685), (7916, 27585), (9195, 23748), (9895, 22068), (11034, 19790), (11874, 18390), (12260, 17811)]