12881220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 40763520

約数和(自身を除く): 27882300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 673, 870, 957, 1276, 1346, 1595, 1740, 1914, 2019, 2692, 3190, 3365, 3828, 4038, 4785, 6380, 6730, 7403, 8076, 9570, 10095, 13460, 14806, 19140, 19517, 20190, 22209, 29612, 37015, 39034, 40380, 44418, 58551, 74030, 78068, 88836, 97585, 111045, 117102, 148060, 195170, 214687, 222090, 234204, 292755, 390340, 429374, 444180, 585510, 644061, 858748, 1073435, 1171020, 1288122, 2146870, 2576244, 3220305, 4293740, 6440610, 12881220]

約数ペア:

[(1, 12881220), (2, 6440610), (3, 4293740), (4, 3220305), (5, 2576244), (6, 2146870), (10, 1288122), (11, 1171020), (12, 1073435), (15, 858748), (20, 644061), (22, 585510), (29, 444180), (30, 429374), (33, 390340), (44, 292755), (55, 234204), (58, 222090), (60, 214687), (66, 195170), (87, 148060), (110, 117102), (116, 111045), (132, 97585), (145, 88836), (165, 78068), (174, 74030), (220, 58551), (290, 44418), (319, 40380), (330, 39034), (348, 37015), (435, 29612), (580, 22209), (638, 20190), (660, 19517), (673, 19140), (870, 14806), (957, 13460), (1276, 10095), (1346, 9570), (1595, 8076), (1740, 7403), (1914, 6730), (2019, 6380), (2692, 4785), (3190, 4038), (3365, 3828)]