90877160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2909}}^1$

素因数の和:3002

約数の個数: 64

約数和(自身を含む): 226281600

約数和(自身を除く): 135404440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 2909, 3124, 3905, 5818, 6248, 7810, 11636, 14545, 15620, 23272, 29090, 31240, 31999, 58180, 63998, 116360, 127996, 159995, 206539, 255992, 319990, 413078, 639980, 826156, 1032695, 1279960, 1652312, 2065390, 2271929, 4130780, 4543858, 8261560, 9087716, 11359645, 18175432, 22719290, 45438580, 90877160]

約数ペア:

[(1, 90877160), (2, 45438580), (4, 22719290), (5, 18175432), (8, 11359645), (10, 9087716), (11, 8261560), (20, 4543858), (22, 4130780), (40, 2271929), (44, 2065390), (55, 1652312), (71, 1279960), (88, 1032695), (110, 826156), (142, 639980), (220, 413078), (284, 319990), (355, 255992), (440, 206539), (568, 159995), (710, 127996), (781, 116360), (1420, 63998), (1562, 58180), (2840, 31999), (2909, 31240), (3124, 29090), (3905, 23272), (5818, 15620), (6248, 14545), (7810, 11636)]