123857720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{10789}}^1$

素因数の和:10848

約数の個数: 64

約数和(自身を含む): 326289600

約数和(自身を除く): 202431880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 10789, 11480, 21578, 43156, 53945, 75523, 86312, 107890, 151046, 215780, 302092, 377615, 431560, 442349, 604184, 755230, 884698, 1510460, 1769396, 2211745, 3020920, 3096443, 3538792, 4423490, 6192886, 8846980, 12385772, 15482215, 17693960, 24771544, 30964430, 61928860, 123857720]

約数ペア:

[(1, 123857720), (2, 61928860), (4, 30964430), (5, 24771544), (7, 17693960), (8, 15482215), (10, 12385772), (14, 8846980), (20, 6192886), (28, 4423490), (35, 3538792), (40, 3096443), (41, 3020920), (56, 2211745), (70, 1769396), (82, 1510460), (140, 884698), (164, 755230), (205, 604184), (280, 442349), (287, 431560), (328, 377615), (410, 302092), (574, 215780), (820, 151046), (1148, 107890), (1435, 86312), (1640, 75523), (2296, 53945), (2870, 43156), (5740, 21578), (10789, 11480)]