90415620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17321}}^1$

素因数の和:17365

約数の個数: 72

約数和(自身を含む): 283734360

約数和(自身を除く): 193318740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 17321, 34642, 51963, 69284, 86605, 103926, 155889, 173210, 207852, 259815, 311778, 346420, 502309, 519630, 623556, 779445, 1004618, 1039260, 1506927, 1558890, 2009236, 2511545, 3013854, 3117780, 4520781, 5023090, 6027708, 7534635, 9041562, 10046180, 15069270, 18083124, 22603905, 30138540, 45207810, 90415620]

約数ペア:

[(1, 90415620), (2, 45207810), (3, 30138540), (4, 22603905), (5, 18083124), (6, 15069270), (9, 10046180), (10, 9041562), (12, 7534635), (15, 6027708), (18, 5023090), (20, 4520781), (29, 3117780), (30, 3013854), (36, 2511545), (45, 2009236), (58, 1558890), (60, 1506927), (87, 1039260), (90, 1004618), (116, 779445), (145, 623556), (174, 519630), (180, 502309), (261, 346420), (290, 311778), (348, 259815), (435, 207852), (522, 173210), (580, 155889), (870, 103926), (1044, 86605), (1305, 69284), (1740, 51963), (2610, 34642), (5220, 17321)]