204438360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{947}}^1$

素因数の和:1225

約数の個数: 128

約数和(自身を含む): 704401920

約数和(自身を除く): 499963560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 420, 514, 771, 840, 947, 1028, 1285, 1542, 1799, 1894, 2056, 2570, 2841, 3084, 3598, 3788, 3855, 4735, 5140, 5397, 5682, 6168, 6629, 7196, 7576, 7710, 8995, 9470, 10280, 10794, 11364, 13258, 14205, 14392, 15420, 17990, 18940, 19887, 21588, 22728, 26516, 26985, 28410, 30840, 33145, 35980, 37880, 39774, 43176, 53032, 53970, 56820, 66290, 71960, 79548, 99435, 107940, 113640, 132580, 159096, 198870, 215880, 243379, 265160, 397740, 486758, 730137, 795480, 973516, 1216895, 1460274, 1703653, 1947032, 2433790, 2920548, 3407306, 3650685, 4867580, 5110959, 5841096, 6814612, 7301370, 8518265, 9735160, 10221918, 13629224, 14602740, 17036530, 20443836, 25554795, 29205480, 34073060, 40887672, 51109590, 68146120, 102219180, 204438360]

約数ペア:

[(1, 204438360), (2, 102219180), (3, 68146120), (4, 51109590), (5, 40887672), (6, 34073060), (7, 29205480), (8, 25554795), (10, 20443836), (12, 17036530), (14, 14602740), (15, 13629224), (20, 10221918), (21, 9735160), (24, 8518265), (28, 7301370), (30, 6814612), (35, 5841096), (40, 5110959), (42, 4867580), (56, 3650685), (60, 3407306), (70, 2920548), (84, 2433790), (105, 1947032), (120, 1703653), (140, 1460274), (168, 1216895), (210, 973516), (257, 795480), (280, 730137), (420, 486758), (514, 397740), (771, 265160), (840, 243379), (947, 215880), (1028, 198870), (1285, 159096), (1542, 132580), (1799, 113640), (1894, 107940), (2056, 99435), (2570, 79548), (2841, 71960), (3084, 66290), (3598, 56820), (3788, 53970), (3855, 53032), (4735, 43176), (5140, 39774), (5397, 37880), (5682, 35980), (6168, 33145), (6629, 30840), (7196, 28410), (7576, 26985), (7710, 26516), (8995, 22728), (9470, 21588), (10280, 19887), (10794, 18940), (11364, 17990), (13258, 15420), (14205, 14392)]