16668680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1009}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 43632000

約数和(自身を除く): 26963320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1009, 1180, 1652, 2018, 2065, 2360, 3304, 4036, 4130, 5045, 7063, 8072, 8260, 10090, 14126, 16520, 20180, 28252, 35315, 40360, 56504, 59531, 70630, 119062, 141260, 238124, 282520, 297655, 416717, 476248, 595310, 833434, 1190620, 1666868, 2083585, 2381240, 3333736, 4167170, 8334340, 16668680]

約数ペア:

[(1, 16668680), (2, 8334340), (4, 4167170), (5, 3333736), (7, 2381240), (8, 2083585), (10, 1666868), (14, 1190620), (20, 833434), (28, 595310), (35, 476248), (40, 416717), (56, 297655), (59, 282520), (70, 238124), (118, 141260), (140, 119062), (236, 70630), (280, 59531), (295, 56504), (413, 40360), (472, 35315), (590, 28252), (826, 20180), (1009, 16520), (1180, 14126), (1652, 10090), (2018, 8260), (2065, 8072), (2360, 7063), (3304, 5045), (4036, 4130)]