15552560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3261

約数の個数: 40

約数和(自身を含む): 36764016

約数和(自身を除く): 21211456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3187, 4880, 6374, 12748, 15935, 25496, 31870, 50992, 63740, 127480, 194407, 254960, 388814, 777628, 972035, 1555256, 1944070, 3110512, 3888140, 7776280, 15552560]

約数ペア:

[(1, 15552560), (2, 7776280), (4, 3888140), (5, 3110512), (8, 1944070), (10, 1555256), (16, 972035), (20, 777628), (40, 388814), (61, 254960), (80, 194407), (122, 127480), (244, 63740), (305, 50992), (488, 31870), (610, 25496), (976, 15935), (1220, 12748), (2440, 6374), (3187, 4880)]