42778680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 148193280

約数和(自身を除く): 105414600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 401, 420, 508, 635, 762, 802, 840, 889, 1016, 1203, 1270, 1524, 1604, 1778, 1905, 2005, 2406, 2540, 2667, 2807, 3048, 3208, 3556, 3810, 4010, 4445, 4812, 5080, 5334, 5614, 6015, 7112, 7620, 8020, 8421, 8890, 9624, 10668, 11228, 12030, 13335, 14035, 15240, 16040, 16842, 17780, 21336, 22456, 24060, 26670, 28070, 33684, 35560, 42105, 48120, 50927, 53340, 56140, 67368, 84210, 101854, 106680, 112280, 152781, 168420, 203708, 254635, 305562, 336840, 356489, 407416, 509270, 611124, 712978, 763905, 1018540, 1069467, 1222248, 1425956, 1527810, 1782445, 2037080, 2138934, 2851912, 3055620, 3564890, 4277868, 5347335, 6111240, 7129780, 8555736, 10694670, 14259560, 21389340, 42778680]

約数ペア:

[(1, 42778680), (2, 21389340), (3, 14259560), (4, 10694670), (5, 8555736), (6, 7129780), (7, 6111240), (8, 5347335), (10, 4277868), (12, 3564890), (14, 3055620), (15, 2851912), (20, 2138934), (21, 2037080), (24, 1782445), (28, 1527810), (30, 1425956), (35, 1222248), (40, 1069467), (42, 1018540), (56, 763905), (60, 712978), (70, 611124), (84, 509270), (105, 407416), (120, 356489), (127, 336840), (140, 305562), (168, 254635), (210, 203708), (254, 168420), (280, 152781), (381, 112280), (401, 106680), (420, 101854), (508, 84210), (635, 67368), (762, 56140), (802, 53340), (840, 50927), (889, 48120), (1016, 42105), (1203, 35560), (1270, 33684), (1524, 28070), (1604, 26670), (1778, 24060), (1905, 22456), (2005, 21336), (2406, 17780), (2540, 16842), (2667, 16040), (2807, 15240), (3048, 14035), (3208, 13335), (3556, 12030), (3810, 11228), (4010, 10668), (4445, 9624), (4812, 8890), (5080, 8421), (5334, 8020), (5614, 7620), (6015, 7112)]