1296821520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41887}}^1$

素因数の和:41949

約数の個数: 120

約数和(自身を含む): 4456548096

約数和(自身を除く): 3159726576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 7740, 10320, 15480, 30960, 41887, 83774, 125661, 167548, 209435, 251322, 335096, 376983, 418870, 502644, 628305, 670192, 753966, 837740, 1005288, 1256610, 1507932, 1675480, 1801141, 1884915, 2010576, 2513220, 3015864, 3350960, 3602282, 3769830, 5026440, 5403423, 6031728, 7204564, 7539660, 9005705, 10052880, 10806846, 14409128, 15079320, 16210269, 18011410, 21613692, 27017115, 28818256, 30158640, 32420538, 36022820, 43227384, 54034230, 64841076, 72045640, 81051345, 86454768, 108068460, 129682152, 144091280, 162102690, 216136920, 259364304, 324205380, 432273840, 648410760, 1296821520]

約数ペア:

[(1, 1296821520), (2, 648410760), (3, 432273840), (4, 324205380), (5, 259364304), (6, 216136920), (8, 162102690), (9, 144091280), (10, 129682152), (12, 108068460), (15, 86454768), (16, 81051345), (18, 72045640), (20, 64841076), (24, 54034230), (30, 43227384), (36, 36022820), (40, 32420538), (43, 30158640), (45, 28818256), (48, 27017115), (60, 21613692), (72, 18011410), (80, 16210269), (86, 15079320), (90, 14409128), (120, 10806846), (129, 10052880), (144, 9005705), (172, 7539660), (180, 7204564), (215, 6031728), (240, 5403423), (258, 5026440), (344, 3769830), (360, 3602282), (387, 3350960), (430, 3015864), (516, 2513220), (645, 2010576), (688, 1884915), (720, 1801141), (774, 1675480), (860, 1507932), (1032, 1256610), (1290, 1005288), (1548, 837740), (1720, 753966), (1935, 670192), (2064, 628305), (2580, 502644), (3096, 418870), (3440, 376983), (3870, 335096), (5160, 251322), (6192, 209435), (7740, 167548), (10320, 125661), (15480, 83774), (30960, 41887)]