18062880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{311}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 44679072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 311, 330, 352, 363, 440, 480, 484, 528, 605, 622, 660, 726, 880, 933, 968, 1056, 1210, 1244, 1320, 1452, 1555, 1760, 1815, 1866, 1936, 2420, 2488, 2640, 2904, 3110, 3421, 3630, 3732, 3872, 4665, 4840, 4976, 5280, 5808, 6220, 6842, 7260, 7464, 9330, 9680, 9952, 10263, 11616, 12440, 13684, 14520, 14928, 17105, 18660, 19360, 20526, 24880, 27368, 29040, 29856, 34210, 37320, 37631, 41052, 49760, 51315, 54736, 58080, 68420, 74640, 75262, 82104, 102630, 109472, 112893, 136840, 149280, 150524, 164208, 188155, 205260, 225786, 273680, 301048, 328416, 376310, 410520, 451572, 547360, 564465, 602096, 752620, 821040, 903144, 1128930, 1204192, 1505240, 1642080, 1806288, 2257860, 3010480, 3612576, 4515720, 6020960, 9031440, 18062880]

約数ペア:

[(1, 18062880), (2, 9031440), (3, 6020960), (4, 4515720), (5, 3612576), (6, 3010480), (8, 2257860), (10, 1806288), (11, 1642080), (12, 1505240), (15, 1204192), (16, 1128930), (20, 903144), (22, 821040), (24, 752620), (30, 602096), (32, 564465), (33, 547360), (40, 451572), (44, 410520), (48, 376310), (55, 328416), (60, 301048), (66, 273680), (80, 225786), (88, 205260), (96, 188155), (110, 164208), (120, 150524), (121, 149280), (132, 136840), (160, 112893), (165, 109472), (176, 102630), (220, 82104), (240, 75262), (242, 74640), (264, 68420), (311, 58080), (330, 54736), (352, 51315), (363, 49760), (440, 41052), (480, 37631), (484, 37320), (528, 34210), (605, 29856), (622, 29040), (660, 27368), (726, 24880), (880, 20526), (933, 19360), (968, 18660), (1056, 17105), (1210, 14928), (1244, 14520), (1320, 13684), (1452, 12440), (1555, 11616), (1760, 10263), (1815, 9952), (1866, 9680), (1936, 9330), (2420, 7464), (2488, 7260), (2640, 6842), (2904, 6220), (3110, 5808), (3421, 5280), (3630, 4976), (3732, 4840), (3872, 4665)]