81141360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2239}}^1$

素因数の和:2406

約数の個数: 80

約数和(自身を含む): 253317120

約数和(自身を除く): 172175760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 151, 240, 302, 453, 604, 755, 906, 1208, 1510, 1812, 2239, 2265, 2416, 3020, 3624, 4478, 4530, 6040, 6717, 7248, 8956, 9060, 11195, 12080, 13434, 17912, 18120, 22390, 26868, 33585, 35824, 36240, 44780, 53736, 67170, 89560, 107472, 134340, 179120, 268680, 338089, 537360, 676178, 1014267, 1352356, 1690445, 2028534, 2704712, 3380890, 4057068, 5071335, 5409424, 6761780, 8114136, 10142670, 13523560, 16228272, 20285340, 27047120, 40570680, 81141360]

約数ペア:

[(1, 81141360), (2, 40570680), (3, 27047120), (4, 20285340), (5, 16228272), (6, 13523560), (8, 10142670), (10, 8114136), (12, 6761780), (15, 5409424), (16, 5071335), (20, 4057068), (24, 3380890), (30, 2704712), (40, 2028534), (48, 1690445), (60, 1352356), (80, 1014267), (120, 676178), (151, 537360), (240, 338089), (302, 268680), (453, 179120), (604, 134340), (755, 107472), (906, 89560), (1208, 67170), (1510, 53736), (1812, 44780), (2239, 36240), (2265, 35824), (2416, 33585), (3020, 26868), (3624, 22390), (4478, 18120), (4530, 17912), (6040, 13434), (6717, 12080), (7248, 11195), (8956, 9060)]