18069520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 49246848

約数和(自身を除く): 31177328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 787, 820, 1148, 1435, 1574, 1640, 2296, 2870, 3148, 3280, 3935, 4592, 5509, 5740, 6296, 7870, 11018, 11480, 12592, 15740, 22036, 22960, 27545, 31480, 32267, 44072, 55090, 62960, 64534, 88144, 110180, 129068, 161335, 220360, 225869, 258136, 322670, 440720, 451738, 516272, 645340, 903476, 1129345, 1290680, 1806952, 2258690, 2581360, 3613904, 4517380, 9034760, 18069520]

約数ペア:

[(1, 18069520), (2, 9034760), (4, 4517380), (5, 3613904), (7, 2581360), (8, 2258690), (10, 1806952), (14, 1290680), (16, 1129345), (20, 903476), (28, 645340), (35, 516272), (40, 451738), (41, 440720), (56, 322670), (70, 258136), (80, 225869), (82, 220360), (112, 161335), (140, 129068), (164, 110180), (205, 88144), (280, 64534), (287, 62960), (328, 55090), (410, 44072), (560, 32267), (574, 31480), (656, 27545), (787, 22960), (820, 22036), (1148, 15740), (1435, 12592), (1574, 11480), (1640, 11018), (2296, 7870), (2870, 6296), (3148, 5740), (3280, 5509), (3935, 4592)]