77957280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1323

約数の個数: 144

約数和(自身を含む): 272432160

約数和(自身を除く): 194474880

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, 1259, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2518, 2580, 3096, 3440, 3777, 3870, 4128, 5036, 5160, 6192, 6295, 6880, 7554, 7740, 10072, 10320, 11331, 12384, 12590, 15108, 15480, 18885, 20144, 20640, 22662, 25180, 30216, 30960, 37770, 40288, 45324, 50360, 54137, 56655, 60432, 61920, 75540, 90648, 100720, 108274, 113310, 120864, 151080, 162411, 181296, 201440, 216548, 226620, 270685, 302160, 324822, 362592, 433096, 453240, 487233, 541370, 604320, 649644, 812055, 866192, 906480, 974466, 1082740, 1299288, 1624110, 1732384, 1812960, 1948932, 2165480, 2436165, 2598576, 3248220, 3897864, 4330960, 4872330, 5197152, 6496440, 7795728, 8661920, 9744660, 12992880, 15591456, 19489320, 25985760, 38978640, 77957280]

約数ペア:

[(1, 77957280), (2, 38978640), (3, 25985760), (4, 19489320), (5, 15591456), (6, 12992880), (8, 9744660), (9, 8661920), (10, 7795728), (12, 6496440), (15, 5197152), (16, 4872330), (18, 4330960), (20, 3897864), (24, 3248220), (30, 2598576), (32, 2436165), (36, 2165480), (40, 1948932), (43, 1812960), (45, 1732384), (48, 1624110), (60, 1299288), (72, 1082740), (80, 974466), (86, 906480), (90, 866192), (96, 812055), (120, 649644), (129, 604320), (144, 541370), (160, 487233), (172, 453240), (180, 433096), (215, 362592), (240, 324822), (258, 302160), (288, 270685), (344, 226620), (360, 216548), (387, 201440), (430, 181296), (480, 162411), (516, 151080), (645, 120864), (688, 113310), (720, 108274), (774, 100720), (860, 90648), (1032, 75540), (1259, 61920), (1290, 60432), (1376, 56655), (1440, 54137), (1548, 50360), (1720, 45324), (1935, 40288), (2064, 37770), (2518, 30960), (2580, 30216), (3096, 25180), (3440, 22662), (3777, 20640), (3870, 20144), (4128, 18885), (5036, 15480), (5160, 15108), (6192, 12590), (6295, 12384), (6880, 11331), (7554, 10320), (7740, 10072)]