54073740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128747}}^1$

素因数の和:128766

約数の個数: 48

約数和(自身を含む): 173037312

約数和(自身を除く): 118963572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 128747, 257494, 386241, 514988, 643735, 772482, 901229, 1287470, 1544964, 1802458, 1931205, 2574940, 2703687, 3604916, 3862410, 4506145, 5407374, 7724820, 9012290, 10814748, 13518435, 18024580, 27036870, 54073740]

約数ペア:

[(1, 54073740), (2, 27036870), (3, 18024580), (4, 13518435), (5, 10814748), (6, 9012290), (7, 7724820), (10, 5407374), (12, 4506145), (14, 3862410), (15, 3604916), (20, 2703687), (21, 2574940), (28, 1931205), (30, 1802458), (35, 1544964), (42, 1287470), (60, 901229), (70, 772482), (84, 643735), (105, 514988), (140, 386241), (210, 257494), (420, 128747)]