123355620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1709}}^1$

素因数の和:2125

約数の個数: 72

約数和(自身を含む): 375331320

約数和(自身を除く): 251975700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401, 802, 1203, 1604, 1709, 2005, 2406, 3418, 3609, 4010, 4812, 5127, 6015, 6836, 7218, 8020, 8545, 10254, 12030, 14436, 15381, 17090, 18045, 20508, 24060, 25635, 30762, 34180, 36090, 51270, 61524, 72180, 76905, 102540, 153810, 307620, 685309, 1370618, 2055927, 2741236, 3426545, 4111854, 6167781, 6853090, 8223708, 10279635, 12335562, 13706180, 20559270, 24671124, 30838905, 41118540, 61677810, 123355620]

約数ペア:

[(1, 123355620), (2, 61677810), (3, 41118540), (4, 30838905), (5, 24671124), (6, 20559270), (9, 13706180), (10, 12335562), (12, 10279635), (15, 8223708), (18, 6853090), (20, 6167781), (30, 4111854), (36, 3426545), (45, 2741236), (60, 2055927), (90, 1370618), (180, 685309), (401, 307620), (802, 153810), (1203, 102540), (1604, 76905), (1709, 72180), (2005, 61524), (2406, 51270), (3418, 36090), (3609, 34180), (4010, 30762), (4812, 25635), (5127, 24060), (6015, 20508), (6836, 18045), (7218, 17090), (8020, 15381), (8545, 14436), (10254, 12030)]