28748280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 97459200

約数和(自身を除く): 68710920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 751, 870, 957, 1160, 1276, 1320, 1502, 1595, 1740, 1914, 2253, 2552, 3004, 3190, 3480, 3755, 3828, 4506, 4785, 6008, 6380, 7510, 7656, 8261, 9012, 9570, 11265, 12760, 15020, 16522, 18024, 19140, 21779, 22530, 24783, 30040, 33044, 38280, 41305, 43558, 45060, 49566, 65337, 66088, 82610, 87116, 90120, 99132, 108895, 123915, 130674, 165220, 174232, 198264, 217790, 239569, 247830, 261348, 326685, 330440, 435580, 479138, 495660, 522696, 653370, 718707, 871160, 958276, 991320, 1197845, 1306740, 1437414, 1916552, 2395690, 2613480, 2874828, 3593535, 4791380, 5749656, 7187070, 9582760, 14374140, 28748280]

約数ペア:

[(1, 28748280), (2, 14374140), (3, 9582760), (4, 7187070), (5, 5749656), (6, 4791380), (8, 3593535), (10, 2874828), (11, 2613480), (12, 2395690), (15, 1916552), (20, 1437414), (22, 1306740), (24, 1197845), (29, 991320), (30, 958276), (33, 871160), (40, 718707), (44, 653370), (55, 522696), (58, 495660), (60, 479138), (66, 435580), (87, 330440), (88, 326685), (110, 261348), (116, 247830), (120, 239569), (132, 217790), (145, 198264), (165, 174232), (174, 165220), (220, 130674), (232, 123915), (264, 108895), (290, 99132), (319, 90120), (330, 87116), (348, 82610), (435, 66088), (440, 65337), (580, 49566), (638, 45060), (660, 43558), (696, 41305), (751, 38280), (870, 33044), (957, 30040), (1160, 24783), (1276, 22530), (1320, 21779), (1502, 19140), (1595, 18024), (1740, 16522), (1914, 15020), (2253, 12760), (2552, 11265), (3004, 9570), (3190, 9012), (3480, 8261), (3755, 7656), (3828, 7510), (4506, 6380), (4785, 6008)]