18547440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 58106400

約数和(自身を除く): 39558960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 709, 872, 1090, 1308, 1418, 1635, 1744, 2127, 2180, 2616, 2836, 3270, 3545, 4254, 4360, 5232, 5672, 6540, 7090, 8508, 8720, 10635, 11344, 13080, 14180, 17016, 21270, 26160, 28360, 34032, 42540, 56720, 77281, 85080, 154562, 170160, 231843, 309124, 386405, 463686, 618248, 772810, 927372, 1159215, 1236496, 1545620, 1854744, 2318430, 3091240, 3709488, 4636860, 6182480, 9273720, 18547440]

約数ペア:

[(1, 18547440), (2, 9273720), (3, 6182480), (4, 4636860), (5, 3709488), (6, 3091240), (8, 2318430), (10, 1854744), (12, 1545620), (15, 1236496), (16, 1159215), (20, 927372), (24, 772810), (30, 618248), (40, 463686), (48, 386405), (60, 309124), (80, 231843), (109, 170160), (120, 154562), (218, 85080), (240, 77281), (327, 56720), (436, 42540), (545, 34032), (654, 28360), (709, 26160), (872, 21270), (1090, 17016), (1308, 14180), (1418, 13080), (1635, 11344), (1744, 10635), (2127, 8720), (2180, 8508), (2616, 7090), (2836, 6540), (3270, 5672), (3545, 5232), (4254, 4360)]