68482760

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 159840000

約数和(自身を除く): 91357240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 376, 470, 499, 584, 730, 940, 998, 1460, 1880, 1996, 2495, 2920, 3431, 3992, 4990, 6862, 9980, 13724, 17155, 19960, 23453, 27448, 34310, 36427, 46906, 68620, 72854, 93812, 117265, 137240, 145708, 182135, 187624, 234530, 291416, 364270, 469060, 728540, 938120, 1457080, 1712069, 3424138, 6848276, 8560345, 13696552, 17120690, 34241380, 68482760]

約数ペア:

[(1, 68482760), (2, 34241380), (4, 17120690), (5, 13696552), (8, 8560345), (10, 6848276), (20, 3424138), (40, 1712069), (47, 1457080), (73, 938120), (94, 728540), (146, 469060), (188, 364270), (235, 291416), (292, 234530), (365, 187624), (376, 182135), (470, 145708), (499, 137240), (584, 117265), (730, 93812), (940, 72854), (998, 68620), (1460, 46906), (1880, 36427), (1996, 34310), (2495, 27448), (2920, 23453), (3431, 19960), (3992, 17155), (4990, 13724), (6862, 9980)]