320686905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 660667392

約数和(自身を除く): 339980487

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 121, 129, 165, 215, 231, 301, 363, 385, 473, 587, 605, 645, 847, 903, 1155, 1419, 1505, 1761, 1815, 2365, 2541, 2935, 3311, 4109, 4235, 4515, 5203, 6457, 7095, 8805, 9933, 12327, 12705, 15609, 16555, 19371, 20545, 25241, 26015, 32285, 36421, 45199, 49665, 61635, 71027, 75723, 78045, 96855, 109263, 126205, 135597, 176687, 182105, 213081, 225995, 277651, 355135, 378615, 497189, 530061, 546315, 677985, 832953, 883435, 1065405, 1388255, 1491567, 1943557, 2485945, 2650305, 3054161, 4164765, 5830671, 7457835, 9162483, 9717785, 15270805, 21379127, 29153355, 45812415, 64137381, 106895635, 320686905]

約数ペア:

[(1, 320686905), (3, 106895635), (5, 64137381), (7, 45812415), (11, 29153355), (15, 21379127), (21, 15270805), (33, 9717785), (35, 9162483), (43, 7457835), (55, 5830671), (77, 4164765), (105, 3054161), (121, 2650305), (129, 2485945), (165, 1943557), (215, 1491567), (231, 1388255), (301, 1065405), (363, 883435), (385, 832953), (473, 677985), (587, 546315), (605, 530061), (645, 497189), (847, 378615), (903, 355135), (1155, 277651), (1419, 225995), (1505, 213081), (1761, 182105), (1815, 176687), (2365, 135597), (2541, 126205), (2935, 109263), (3311, 96855), (4109, 78045), (4235, 75723), (4515, 71027), (5203, 61635), (6457, 49665), (7095, 45199), (8805, 36421), (9933, 32285), (12327, 26015), (12705, 25241), (15609, 20545), (16555, 19371)]