64787280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269947}}^1$

素因数の和:269963

約数の個数: 40

約数和(自身を含む): 200841312

約数和(自身を除く): 136054032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269947, 539894, 809841, 1079788, 1349735, 1619682, 2159576, 2699470, 3239364, 4049205, 4319152, 5398940, 6478728, 8098410, 10797880, 12957456, 16196820, 21595760, 32393640, 64787280]

約数ペア:

[(1, 64787280), (2, 32393640), (3, 21595760), (4, 16196820), (5, 12957456), (6, 10797880), (8, 8098410), (10, 6478728), (12, 5398940), (15, 4319152), (16, 4049205), (20, 3239364), (24, 2699470), (30, 2159576), (40, 1619682), (48, 1349735), (60, 1079788), (80, 809841), (120, 539894), (240, 269947)]