15490640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 25221040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 607, 638, 880, 1160, 1214, 1276, 1595, 2320, 2428, 2552, 3035, 3190, 4856, 5104, 6070, 6380, 6677, 9712, 12140, 12760, 13354, 17603, 24280, 25520, 26708, 33385, 35206, 48560, 53416, 66770, 70412, 88015, 106832, 133540, 140824, 176030, 193633, 267080, 281648, 352060, 387266, 534160, 704120, 774532, 968165, 1408240, 1549064, 1936330, 3098128, 3872660, 7745320, 15490640]

約数ペア:

[(1, 15490640), (2, 7745320), (4, 3872660), (5, 3098128), (8, 1936330), (10, 1549064), (11, 1408240), (16, 968165), (20, 774532), (22, 704120), (29, 534160), (40, 387266), (44, 352060), (55, 281648), (58, 267080), (80, 193633), (88, 176030), (110, 140824), (116, 133540), (145, 106832), (176, 88015), (220, 70412), (232, 66770), (290, 53416), (319, 48560), (440, 35206), (464, 33385), (580, 26708), (607, 25520), (638, 24280), (880, 17603), (1160, 13354), (1214, 12760), (1276, 12140), (1595, 9712), (2320, 6677), (2428, 6380), (2552, 6070), (3035, 5104), (3190, 4856)]