256435260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{2389}}^1$

素因数の和:4190

約数の個数: 48

約数和(自身を含む): 718720800

約数和(自身を除く): 462285540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1789, 2389, 3578, 4778, 5367, 7156, 7167, 8945, 9556, 10734, 11945, 14334, 17890, 21468, 23890, 26835, 28668, 35780, 35835, 47780, 53670, 71670, 107340, 143340, 4273921, 8547842, 12821763, 17095684, 21369605, 25643526, 42739210, 51287052, 64108815, 85478420, 128217630, 256435260]

約数ペア:

[(1, 256435260), (2, 128217630), (3, 85478420), (4, 64108815), (5, 51287052), (6, 42739210), (10, 25643526), (12, 21369605), (15, 17095684), (20, 12821763), (30, 8547842), (60, 4273921), (1789, 143340), (2389, 107340), (3578, 71670), (4778, 53670), (5367, 47780), (7156, 35835), (7167, 35780), (8945, 28668), (9556, 26835), (10734, 23890), (11945, 21468), (14334, 17890)]