1420749456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{16453}}^1$

素因数の和:16728

約数の個数: 80

約数和(自身を含む): 4211170944

約数和(自身を除く): 2790421488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 257, 336, 514, 771, 1028, 1542, 1799, 2056, 3084, 3598, 4112, 5397, 6168, 7196, 10794, 12336, 14392, 16453, 21588, 28784, 32906, 43176, 49359, 65812, 86352, 98718, 115171, 131624, 197436, 230342, 263248, 345513, 394872, 460684, 691026, 789744, 921368, 1382052, 1842736, 2764104, 4228421, 5528208, 8456842, 12685263, 16913684, 25370526, 29598947, 33827368, 50741052, 59197894, 67654736, 88796841, 101482104, 118395788, 177593682, 202964208, 236791576, 355187364, 473583152, 710374728, 1420749456]

約数ペア:

[(1, 1420749456), (2, 710374728), (3, 473583152), (4, 355187364), (6, 236791576), (7, 202964208), (8, 177593682), (12, 118395788), (14, 101482104), (16, 88796841), (21, 67654736), (24, 59197894), (28, 50741052), (42, 33827368), (48, 29598947), (56, 25370526), (84, 16913684), (112, 12685263), (168, 8456842), (257, 5528208), (336, 4228421), (514, 2764104), (771, 1842736), (1028, 1382052), (1542, 921368), (1799, 789744), (2056, 691026), (3084, 460684), (3598, 394872), (4112, 345513), (5397, 263248), (6168, 230342), (7196, 197436), (10794, 131624), (12336, 115171), (14392, 98718), (16453, 86352), (21588, 65812), (28784, 49359), (32906, 43176)]