90675760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{161921}}^1$

素因数の和:161941

約数の個数: 40

約数和(自身を含む): 240939936

約数和(自身を除く): 150264176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 161921, 323842, 647684, 809605, 1133447, 1295368, 1619210, 2266894, 2590736, 3238420, 4533788, 5667235, 6476840, 9067576, 11334470, 12953680, 18135152, 22668940, 45337880, 90675760]

約数ペア:

[(1, 90675760), (2, 45337880), (4, 22668940), (5, 18135152), (7, 12953680), (8, 11334470), (10, 9067576), (14, 6476840), (16, 5667235), (20, 4533788), (28, 3238420), (35, 2590736), (40, 2266894), (56, 1619210), (70, 1295368), (80, 1133447), (112, 809605), (140, 647684), (280, 323842), (560, 161921)]