27938680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 80455680

約数和(自身を除く): 52517000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 140, 154, 188, 193, 220, 235, 280, 308, 329, 376, 385, 386, 440, 470, 517, 616, 658, 770, 772, 940, 965, 1034, 1316, 1351, 1540, 1544, 1645, 1880, 1930, 2068, 2123, 2585, 2632, 2702, 3080, 3290, 3619, 3860, 4136, 4246, 5170, 5404, 6580, 6755, 7238, 7720, 8492, 9071, 10340, 10615, 10808, 13160, 13510, 14476, 14861, 16984, 18095, 18142, 20680, 21230, 27020, 28952, 29722, 36190, 36284, 42460, 45355, 54040, 59444, 63497, 72380, 72568, 74305, 84920, 90710, 99781, 118888, 126994, 144760, 148610, 181420, 199562, 253988, 297220, 317485, 362840, 399124, 498905, 507976, 594440, 634970, 698467, 798248, 997810, 1269940, 1396934, 1995620, 2539880, 2793868, 3492335, 3991240, 5587736, 6984670, 13969340, 27938680]

約数ペア:

[(1, 27938680), (2, 13969340), (4, 6984670), (5, 5587736), (7, 3991240), (8, 3492335), (10, 2793868), (11, 2539880), (14, 1995620), (20, 1396934), (22, 1269940), (28, 997810), (35, 798248), (40, 698467), (44, 634970), (47, 594440), (55, 507976), (56, 498905), (70, 399124), (77, 362840), (88, 317485), (94, 297220), (110, 253988), (140, 199562), (154, 181420), (188, 148610), (193, 144760), (220, 126994), (235, 118888), (280, 99781), (308, 90710), (329, 84920), (376, 74305), (385, 72568), (386, 72380), (440, 63497), (470, 59444), (517, 54040), (616, 45355), (658, 42460), (770, 36284), (772, 36190), (940, 29722), (965, 28952), (1034, 27020), (1316, 21230), (1351, 20680), (1540, 18142), (1544, 18095), (1645, 16984), (1880, 14861), (1930, 14476), (2068, 13510), (2123, 13160), (2585, 10808), (2632, 10615), (2702, 10340), (3080, 9071), (3290, 8492), (3619, 7720), (3860, 7238), (4136, 6755), (4246, 6580), (5170, 5404)]