81715610

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 155602944

約数和(自身を除く): 73887334

約数列:

[1, 2, 5, 10, 37, 47, 74, 94, 127, 185, 235, 254, 370, 470, 635, 1270, 1369, 1739, 2738, 3478, 4699, 5969, 6845, 8695, 9398, 11938, 13690, 17390, 23495, 29845, 46990, 59690, 64343, 128686, 173863, 220853, 321715, 347726, 441706, 643430, 869315, 1104265, 1738630, 2208530, 8171561, 16343122, 40857805, 81715610]

約数ペア:

[(1, 81715610), (2, 40857805), (5, 16343122), (10, 8171561), (37, 2208530), (47, 1738630), (74, 1104265), (94, 869315), (127, 643430), (185, 441706), (235, 347726), (254, 321715), (370, 220853), (470, 173863), (635, 128686), (1270, 64343), (1369, 59690), (1739, 46990), (2738, 29845), (3478, 23495), (4699, 17390), (5969, 13690), (6845, 11938), (8695, 9398)]