72643760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1777}}^1$

素因数の和:1870

約数の個数: 80

約数和(自身を含む): 195779136

約数和(自身を除く): 123135376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 1777, 2044, 2555, 2920, 3554, 4088, 5110, 5840, 7108, 8176, 8885, 10220, 12439, 14216, 17770, 20440, 24878, 28432, 35540, 40880, 49756, 62195, 71080, 99512, 124390, 129721, 142160, 199024, 248780, 259442, 497560, 518884, 648605, 908047, 995120, 1037768, 1297210, 1816094, 2075536, 2594420, 3632188, 4540235, 5188840, 7264376, 9080470, 10377680, 14528752, 18160940, 36321880, 72643760]

約数ペア:

[(1, 72643760), (2, 36321880), (4, 18160940), (5, 14528752), (7, 10377680), (8, 9080470), (10, 7264376), (14, 5188840), (16, 4540235), (20, 3632188), (28, 2594420), (35, 2075536), (40, 1816094), (56, 1297210), (70, 1037768), (73, 995120), (80, 908047), (112, 648605), (140, 518884), (146, 497560), (280, 259442), (292, 248780), (365, 199024), (511, 142160), (560, 129721), (584, 124390), (730, 99512), (1022, 71080), (1168, 62195), (1460, 49756), (1777, 40880), (2044, 35540), (2555, 28432), (2920, 24878), (3554, 20440), (4088, 17770), (5110, 14216), (5840, 12439), (7108, 10220), (8176, 8885)]