131523240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 410572800

約数和(自身を除く): 279049560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 86, 120, 129, 142, 172, 213, 215, 258, 284, 344, 355, 359, 426, 430, 516, 568, 645, 710, 718, 852, 860, 1032, 1065, 1077, 1290, 1420, 1436, 1704, 1720, 1795, 2130, 2154, 2580, 2840, 2872, 3053, 3590, 4260, 4308, 5160, 5385, 6106, 7180, 8520, 8616, 9159, 10770, 12212, 14360, 15265, 15437, 18318, 21540, 24424, 25489, 30530, 30874, 36636, 43080, 45795, 46311, 50978, 61060, 61748, 73272, 76467, 77185, 91590, 92622, 101956, 122120, 123496, 127445, 152934, 154370, 183180, 185244, 203912, 231555, 254890, 305868, 308740, 366360, 370488, 382335, 463110, 509780, 611736, 617480, 764670, 926220, 1019560, 1096027, 1529340, 1852440, 2192054, 3058680, 3288081, 4384108, 5480135, 6576162, 8768216, 10960270, 13152324, 16440405, 21920540, 26304648, 32880810, 43841080, 65761620, 131523240]

約数ペア:

[(1, 131523240), (2, 65761620), (3, 43841080), (4, 32880810), (5, 26304648), (6, 21920540), (8, 16440405), (10, 13152324), (12, 10960270), (15, 8768216), (20, 6576162), (24, 5480135), (30, 4384108), (40, 3288081), (43, 3058680), (60, 2192054), (71, 1852440), (86, 1529340), (120, 1096027), (129, 1019560), (142, 926220), (172, 764670), (213, 617480), (215, 611736), (258, 509780), (284, 463110), (344, 382335), (355, 370488), (359, 366360), (426, 308740), (430, 305868), (516, 254890), (568, 231555), (645, 203912), (710, 185244), (718, 183180), (852, 154370), (860, 152934), (1032, 127445), (1065, 123496), (1077, 122120), (1290, 101956), (1420, 92622), (1436, 91590), (1704, 77185), (1720, 76467), (1795, 73272), (2130, 61748), (2154, 61060), (2580, 50978), (2840, 46311), (2872, 45795), (3053, 43080), (3590, 36636), (4260, 30874), (4308, 30530), (5160, 25489), (5385, 24424), (6106, 21540), (7180, 18318), (8520, 15437), (8616, 15265), (9159, 14360), (10770, 12212)]