56071620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28319}}^1$

素因数の和:28345

約数の個数: 72

約数和(自身を含む): 185552640

約数和(自身を除く): 129481020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 28319, 56638, 84957, 113276, 141595, 169914, 254871, 283190, 311509, 339828, 424785, 509742, 566380, 623018, 849570, 934527, 1019484, 1246036, 1274355, 1557545, 1699140, 1869054, 2548710, 2803581, 3115090, 3738108, 4672635, 5097420, 5607162, 6230180, 9345270, 11214324, 14017905, 18690540, 28035810, 56071620]

約数ペア:

[(1, 56071620), (2, 28035810), (3, 18690540), (4, 14017905), (5, 11214324), (6, 9345270), (9, 6230180), (10, 5607162), (11, 5097420), (12, 4672635), (15, 3738108), (18, 3115090), (20, 2803581), (22, 2548710), (30, 1869054), (33, 1699140), (36, 1557545), (44, 1274355), (45, 1246036), (55, 1019484), (60, 934527), (66, 849570), (90, 623018), (99, 566380), (110, 509742), (132, 424785), (165, 339828), (180, 311509), (198, 283190), (220, 254871), (330, 169914), (396, 141595), (495, 113276), (660, 84957), (990, 56638), (1980, 28319)]