131426680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:701

約数の個数: 128

約数和(自身を含む): 374492160

約数和(自身を除く): 243065480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 440, 497, 568, 601, 616, 710, 770, 781, 994, 1202, 1420, 1540, 1562, 1988, 2404, 2485, 2840, 3005, 3080, 3124, 3905, 3976, 4207, 4808, 4970, 5467, 6010, 6248, 6611, 7810, 8414, 9940, 10934, 12020, 13222, 15620, 16828, 19880, 21035, 21868, 24040, 26444, 27335, 31240, 33055, 33656, 42070, 42671, 43736, 46277, 52888, 54670, 66110, 84140, 85342, 92554, 109340, 132220, 168280, 170684, 185108, 213355, 218680, 231385, 264440, 298697, 341368, 370216, 426710, 462770, 469381, 597394, 853420, 925540, 938762, 1194788, 1493485, 1706840, 1851080, 1877524, 2346905, 2389576, 2986970, 3285667, 3755048, 4693810, 5973940, 6571334, 9387620, 11947880, 13142668, 16428335, 18775240, 26285336, 32856670, 65713340, 131426680]

約数ペア:

[(1, 131426680), (2, 65713340), (4, 32856670), (5, 26285336), (7, 18775240), (8, 16428335), (10, 13142668), (11, 11947880), (14, 9387620), (20, 6571334), (22, 5973940), (28, 4693810), (35, 3755048), (40, 3285667), (44, 2986970), (55, 2389576), (56, 2346905), (70, 1877524), (71, 1851080), (77, 1706840), (88, 1493485), (110, 1194788), (140, 938762), (142, 925540), (154, 853420), (220, 597394), (280, 469381), (284, 462770), (308, 426710), (355, 370216), (385, 341368), (440, 298697), (497, 264440), (568, 231385), (601, 218680), (616, 213355), (710, 185108), (770, 170684), (781, 168280), (994, 132220), (1202, 109340), (1420, 92554), (1540, 85342), (1562, 84140), (1988, 66110), (2404, 54670), (2485, 52888), (2840, 46277), (3005, 43736), (3080, 42671), (3124, 42070), (3905, 33656), (3976, 33055), (4207, 31240), (4808, 27335), (4970, 26444), (5467, 24040), (6010, 21868), (6248, 21035), (6611, 19880), (7810, 16828), (8414, 15620), (9940, 13222), (10934, 12020)]