389937120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1229}}^1$

素因数の和:1908

約数の個数: 96

約数和(自身を含む): 1231161120

約数和(自身を除く): 841224000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 661, 1229, 1322, 1983, 2458, 2644, 3305, 3687, 3966, 4916, 5288, 6145, 6610, 7374, 7932, 9832, 9915, 10576, 12290, 13220, 14748, 15864, 18435, 19664, 19830, 21152, 24580, 26440, 29496, 31728, 36870, 39328, 39660, 49160, 52880, 58992, 63456, 73740, 79320, 98320, 105760, 117984, 147480, 158640, 196640, 294960, 317280, 589920, 812369, 1624738, 2437107, 3249476, 4061845, 4874214, 6498952, 8123690, 9748428, 12185535, 12997904, 16247380, 19496856, 24371070, 25995808, 32494760, 38993712, 48742140, 64989520, 77987424, 97484280, 129979040, 194968560, 389937120]

約数ペア:

[(1, 389937120), (2, 194968560), (3, 129979040), (4, 97484280), (5, 77987424), (6, 64989520), (8, 48742140), (10, 38993712), (12, 32494760), (15, 25995808), (16, 24371070), (20, 19496856), (24, 16247380), (30, 12997904), (32, 12185535), (40, 9748428), (48, 8123690), (60, 6498952), (80, 4874214), (96, 4061845), (120, 3249476), (160, 2437107), (240, 1624738), (480, 812369), (661, 589920), (1229, 317280), (1322, 294960), (1983, 196640), (2458, 158640), (2644, 147480), (3305, 117984), (3687, 105760), (3966, 98320), (4916, 79320), (5288, 73740), (6145, 63456), (6610, 58992), (7374, 52880), (7932, 49160), (9832, 39660), (9915, 39328), (10576, 36870), (12290, 31728), (13220, 29496), (14748, 26440), (15864, 24580), (18435, 21152), (19664, 19830)]