12780460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 34417152

約数和(自身を除く): 21636692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 193, 215, 220, 301, 308, 385, 386, 430, 473, 602, 770, 772, 860, 946, 965, 1204, 1351, 1505, 1540, 1892, 1930, 2123, 2365, 2702, 3010, 3311, 3860, 4246, 4730, 5404, 6020, 6622, 6755, 8299, 8492, 9460, 10615, 13244, 13510, 14861, 16555, 16598, 21230, 27020, 29722, 33110, 33196, 41495, 42460, 58093, 59444, 66220, 74305, 82990, 91289, 116186, 148610, 165980, 182578, 232372, 290465, 297220, 365156, 456445, 580930, 639023, 912890, 1161860, 1278046, 1825780, 2556092, 3195115, 6390230, 12780460]

約数ペア:

[(1, 12780460), (2, 6390230), (4, 3195115), (5, 2556092), (7, 1825780), (10, 1278046), (11, 1161860), (14, 912890), (20, 639023), (22, 580930), (28, 456445), (35, 365156), (43, 297220), (44, 290465), (55, 232372), (70, 182578), (77, 165980), (86, 148610), (110, 116186), (140, 91289), (154, 82990), (172, 74305), (193, 66220), (215, 59444), (220, 58093), (301, 42460), (308, 41495), (385, 33196), (386, 33110), (430, 29722), (473, 27020), (602, 21230), (770, 16598), (772, 16555), (860, 14861), (946, 13510), (965, 13244), (1204, 10615), (1351, 9460), (1505, 8492), (1540, 8299), (1892, 6755), (1930, 6622), (2123, 6020), (2365, 5404), (2702, 4730), (3010, 4246), (3311, 3860)]