131951520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 144

約数和(自身を含む): 460972512

約数和(自身を除く): 329020992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2131, 2580, 3096, 3440, 3870, 4128, 4262, 5160, 6192, 6393, 6880, 7740, 8524, 10320, 10655, 12384, 12786, 15480, 17048, 19179, 20640, 21310, 25572, 30960, 31965, 34096, 38358, 42620, 51144, 61920, 63930, 68192, 76716, 85240, 91633, 95895, 102288, 127860, 153432, 170480, 183266, 191790, 204576, 255720, 274899, 306864, 340960, 366532, 383580, 458165, 511440, 549798, 613728, 733064, 767160, 824697, 916330, 1022880, 1099596, 1374495, 1466128, 1534320, 1649394, 1832660, 2199192, 2748990, 2932256, 3068640, 3298788, 3665320, 4123485, 4398384, 5497980, 6597576, 7330640, 8246970, 8796768, 10995960, 13195152, 14661280, 16493940, 21991920, 26390304, 32987880, 43983840, 65975760, 131951520]

約数ペア:

[(1, 131951520), (2, 65975760), (3, 43983840), (4, 32987880), (5, 26390304), (6, 21991920), (8, 16493940), (9, 14661280), (10, 13195152), (12, 10995960), (15, 8796768), (16, 8246970), (18, 7330640), (20, 6597576), (24, 5497980), (30, 4398384), (32, 4123485), (36, 3665320), (40, 3298788), (43, 3068640), (45, 2932256), (48, 2748990), (60, 2199192), (72, 1832660), (80, 1649394), (86, 1534320), (90, 1466128), (96, 1374495), (120, 1099596), (129, 1022880), (144, 916330), (160, 824697), (172, 767160), (180, 733064), (215, 613728), (240, 549798), (258, 511440), (288, 458165), (344, 383580), (360, 366532), (387, 340960), (430, 306864), (480, 274899), (516, 255720), (645, 204576), (688, 191790), (720, 183266), (774, 170480), (860, 153432), (1032, 127860), (1290, 102288), (1376, 95895), (1440, 91633), (1548, 85240), (1720, 76716), (1935, 68192), (2064, 63930), (2131, 61920), (2580, 51144), (3096, 42620), (3440, 38358), (3870, 34096), (4128, 31965), (4262, 30960), (5160, 25572), (6192, 21310), (6393, 20640), (6880, 19179), (7740, 17048), (8524, 15480), (10320, 12786), (10655, 12384)]