61381620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3187}}^1$

素因数の和:3309

約数の個数: 72

約数和(自身を含む): 187989984

約数和(自身を除く): 126608364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3187, 3210, 3852, 4815, 6374, 6420, 9561, 9630, 12748, 15935, 19122, 19260, 28683, 31870, 38244, 47805, 57366, 63740, 95610, 114732, 143415, 191220, 286830, 341009, 573660, 682018, 1023027, 1364036, 1705045, 2046054, 3069081, 3410090, 4092108, 5115135, 6138162, 6820180, 10230270, 12276324, 15345405, 20460540, 30690810, 61381620]

約数ペア:

[(1, 61381620), (2, 30690810), (3, 20460540), (4, 15345405), (5, 12276324), (6, 10230270), (9, 6820180), (10, 6138162), (12, 5115135), (15, 4092108), (18, 3410090), (20, 3069081), (30, 2046054), (36, 1705045), (45, 1364036), (60, 1023027), (90, 682018), (107, 573660), (180, 341009), (214, 286830), (321, 191220), (428, 143415), (535, 114732), (642, 95610), (963, 63740), (1070, 57366), (1284, 47805), (1605, 38244), (1926, 31870), (2140, 28683), (3187, 19260), (3210, 19122), (3852, 15935), (4815, 12748), (6374, 9630), (6420, 9561)]