78132320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69761}}^1$

素因数の和:69783

約数の個数: 48

約数和(自身を含む): 210960288

約数和(自身を除く): 132827968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69761, 139522, 279044, 348805, 488327, 558088, 697610, 976654, 1116176, 1395220, 1953308, 2232352, 2441635, 2790440, 3906616, 4883270, 5580880, 7813232, 9766540, 11161760, 15626464, 19533080, 39066160, 78132320]

約数ペア:

[(1, 78132320), (2, 39066160), (4, 19533080), (5, 15626464), (7, 11161760), (8, 9766540), (10, 7813232), (14, 5580880), (16, 4883270), (20, 3906616), (28, 2790440), (32, 2441635), (35, 2232352), (40, 1953308), (56, 1395220), (70, 1116176), (80, 976654), (112, 697610), (140, 558088), (160, 488327), (224, 348805), (280, 279044), (560, 139522), (1120, 69761)]