156891640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4909}}^1$

素因数の和:4984

約数の個数: 64

約数和(自身を含む): 381801600

約数和(自身を除く): 224909960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 4909, 6392, 7990, 9818, 15980, 19636, 24545, 31960, 39272, 49090, 83453, 98180, 166906, 196360, 230723, 333812, 417265, 461446, 667624, 834530, 922892, 1153615, 1669060, 1845784, 2307230, 3338120, 3922291, 4614460, 7844582, 9228920, 15689164, 19611455, 31378328, 39222910, 78445820, 156891640]

約数ペア:

[(1, 156891640), (2, 78445820), (4, 39222910), (5, 31378328), (8, 19611455), (10, 15689164), (17, 9228920), (20, 7844582), (34, 4614460), (40, 3922291), (47, 3338120), (68, 2307230), (85, 1845784), (94, 1669060), (136, 1153615), (170, 922892), (188, 834530), (235, 667624), (340, 461446), (376, 417265), (470, 333812), (680, 230723), (799, 196360), (940, 166906), (1598, 98180), (1880, 83453), (3196, 49090), (3995, 39272), (4909, 31960), (6392, 24545), (7990, 19636), (9818, 15980)]