79180020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10729}}^1$

素因数の和:10785

約数の個数: 72

約数和(自身を含む): 246060360

約数和(自身を除く): 166880340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 10729, 21458, 32187, 42916, 53645, 64374, 96561, 107290, 128748, 160935, 193122, 214580, 321870, 386244, 439889, 482805, 643740, 879778, 965610, 1319667, 1759556, 1931220, 2199445, 2639334, 3959001, 4398890, 5278668, 6598335, 7918002, 8797780, 13196670, 15836004, 19795005, 26393340, 39590010, 79180020]

約数ペア:

[(1, 79180020), (2, 39590010), (3, 26393340), (4, 19795005), (5, 15836004), (6, 13196670), (9, 8797780), (10, 7918002), (12, 6598335), (15, 5278668), (18, 4398890), (20, 3959001), (30, 2639334), (36, 2199445), (41, 1931220), (45, 1759556), (60, 1319667), (82, 965610), (90, 879778), (123, 643740), (164, 482805), (180, 439889), (205, 386244), (246, 321870), (369, 214580), (410, 193122), (492, 160935), (615, 128748), (738, 107290), (820, 96561), (1230, 64374), (1476, 53645), (1845, 42916), (2460, 32187), (3690, 21458), (7380, 10729)]