80687340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49807}}^1$

素因数の和:49828

約数の個数: 60

約数和(自身を含む): 253124256

約数和(自身を除く): 172436916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49807, 99614, 149421, 199228, 249035, 298842, 448263, 498070, 597684, 747105, 896526, 996140, 1344789, 1494210, 1793052, 2241315, 2689578, 2988420, 4034367, 4482630, 5379156, 6723945, 8068734, 8965260, 13447890, 16137468, 20171835, 26895780, 40343670, 80687340]

約数ペア:

[(1, 80687340), (2, 40343670), (3, 26895780), (4, 20171835), (5, 16137468), (6, 13447890), (9, 8965260), (10, 8068734), (12, 6723945), (15, 5379156), (18, 4482630), (20, 4034367), (27, 2988420), (30, 2689578), (36, 2241315), (45, 1793052), (54, 1494210), (60, 1344789), (81, 996140), (90, 896526), (108, 747105), (135, 597684), (162, 498070), (180, 448263), (270, 298842), (324, 249035), (405, 199228), (540, 149421), (810, 99614), (1620, 49807)]