81367620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 238533120

約数和(自身を除く): 157165500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 101, 116, 145, 174, 202, 290, 303, 348, 404, 435, 463, 505, 580, 606, 870, 926, 1010, 1212, 1389, 1515, 1740, 1852, 2020, 2315, 2778, 2929, 3030, 4630, 5556, 5858, 6060, 6945, 8787, 9260, 11716, 13427, 13890, 14645, 17574, 26854, 27780, 29290, 35148, 40281, 43935, 46763, 53708, 58580, 67135, 80562, 87870, 93526, 134270, 140289, 161124, 175740, 187052, 201405, 233815, 268540, 280578, 402810, 467630, 561156, 701445, 805620, 935260, 1356127, 1402890, 2712254, 2805780, 4068381, 5424508, 6780635, 8136762, 13561270, 16273524, 20341905, 27122540, 40683810, 81367620]

約数ペア:

[(1, 81367620), (2, 40683810), (3, 27122540), (4, 20341905), (5, 16273524), (6, 13561270), (10, 8136762), (12, 6780635), (15, 5424508), (20, 4068381), (29, 2805780), (30, 2712254), (58, 1402890), (60, 1356127), (87, 935260), (101, 805620), (116, 701445), (145, 561156), (174, 467630), (202, 402810), (290, 280578), (303, 268540), (348, 233815), (404, 201405), (435, 187052), (463, 175740), (505, 161124), (580, 140289), (606, 134270), (870, 93526), (926, 87870), (1010, 80562), (1212, 67135), (1389, 58580), (1515, 53708), (1740, 46763), (1852, 43935), (2020, 40281), (2315, 35148), (2778, 29290), (2929, 27780), (3030, 26854), (4630, 17574), (5556, 14645), (5858, 13890), (6060, 13427), (6945, 11716), (8787, 9260)]