81328800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 288

約数和(自身を含む): 311980032

約数和(自身を除く): 230651232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 47, 48, 50, 56, 60, 70, 75, 80, 84, 94, 96, 100, 103, 105, 112, 120, 140, 141, 150, 160, 168, 175, 188, 200, 206, 210, 224, 235, 240, 280, 282, 300, 309, 329, 336, 350, 376, 400, 412, 420, 470, 480, 515, 525, 560, 564, 600, 618, 658, 672, 700, 705, 721, 752, 800, 824, 840, 940, 987, 1030, 1050, 1120, 1128, 1175, 1200, 1236, 1316, 1400, 1410, 1442, 1504, 1545, 1645, 1648, 1680, 1880, 1974, 2060, 2100, 2163, 2256, 2350, 2400, 2472, 2575, 2632, 2800, 2820, 2884, 3090, 3290, 3296, 3360, 3525, 3605, 3760, 3948, 4120, 4200, 4326, 4512, 4700, 4841, 4935, 4944, 5150, 5264, 5600, 5640, 5768, 6180, 6580, 7050, 7210, 7520, 7725, 7896, 8225, 8240, 8400, 8652, 9400, 9682, 9870, 9888, 10300, 10528, 10815, 11280, 11536, 12360, 13160, 14100, 14420, 14523, 15450, 15792, 16450, 16480, 16800, 17304, 18025, 18800, 19364, 19740, 20600, 21630, 22560, 23072, 24205, 24675, 24720, 26320, 28200, 28840, 29046, 30900, 31584, 32900, 33887, 34608, 36050, 37600, 38728, 39480, 41200, 43260, 48410, 49350, 49440, 52640, 54075, 56400, 57680, 58092, 61800, 65800, 67774, 69216, 72100, 72615, 77456, 78960, 82400, 86520, 96820, 98700, 101661, 108150, 112800, 115360, 116184, 121025, 123600, 131600, 135548, 144200, 145230, 154912, 157920, 169435, 173040, 193640, 197400, 203322, 216300, 232368, 242050, 247200, 263200, 271096, 288400, 290460, 338870, 346080, 363075, 387280, 394800, 406644, 432600, 464736, 484100, 508305, 542192, 576800, 580920, 677740, 726150, 774560, 789600, 813288, 847175, 865200, 968200, 1016610, 1084384, 1161840, 1355480, 1452300, 1626576, 1694350, 1730400, 1936400, 2033220, 2323680, 2541525, 2710960, 2904600, 3253152, 3388700, 3872800, 4066440, 5083050, 5421920, 5809200, 6777400, 8132880, 10166100, 11618400, 13554800, 16265760, 20332200, 27109600, 40664400, 81328800]

約数ペア:

[(1, 81328800), (2, 40664400), (3, 27109600), (4, 20332200), (5, 16265760), (6, 13554800), (7, 11618400), (8, 10166100), (10, 8132880), (12, 6777400), (14, 5809200), (15, 5421920), (16, 5083050), (20, 4066440), (21, 3872800), (24, 3388700), (25, 3253152), (28, 2904600), (30, 2710960), (32, 2541525), (35, 2323680), (40, 2033220), (42, 1936400), (47, 1730400), (48, 1694350), (50, 1626576), (56, 1452300), (60, 1355480), (70, 1161840), (75, 1084384), (80, 1016610), (84, 968200), (94, 865200), (96, 847175), (100, 813288), (103, 789600), (105, 774560), (112, 726150), (120, 677740), (140, 580920), (141, 576800), (150, 542192), (160, 508305), (168, 484100), (175, 464736), (188, 432600), (200, 406644), (206, 394800), (210, 387280), (224, 363075), (235, 346080), (240, 338870), (280, 290460), (282, 288400), (300, 271096), (309, 263200), (329, 247200), (336, 242050), (350, 232368), (376, 216300), (400, 203322), (412, 197400), (420, 193640), (470, 173040), (480, 169435), (515, 157920), (525, 154912), (560, 145230), (564, 144200), (600, 135548), (618, 131600), (658, 123600), (672, 121025), (700, 116184), (705, 115360), (721, 112800), (752, 108150), (800, 101661), (824, 98700), (840, 96820), (940, 86520), (987, 82400), (1030, 78960), (1050, 77456), (1120, 72615), (1128, 72100), (1175, 69216), (1200, 67774), (1236, 65800), (1316, 61800), (1400, 58092), (1410, 57680), (1442, 56400), (1504, 54075), (1545, 52640), (1645, 49440), (1648, 49350), (1680, 48410), (1880, 43260), (1974, 41200), (2060, 39480), (2100, 38728), (2163, 37600), (2256, 36050), (2350, 34608), (2400, 33887), (2472, 32900), (2575, 31584), (2632, 30900), (2800, 29046), (2820, 28840), (2884, 28200), (3090, 26320), (3290, 24720), (3296, 24675), (3360, 24205), (3525, 23072), (3605, 22560), (3760, 21630), (3948, 20600), (4120, 19740), (4200, 19364), (4326, 18800), (4512, 18025), (4700, 17304), (4841, 16800), (4935, 16480), (4944, 16450), (5150, 15792), (5264, 15450), (5600, 14523), (5640, 14420), (5768, 14100), (6180, 13160), (6580, 12360), (7050, 11536), (7210, 11280), (7520, 10815), (7725, 10528), (7896, 10300), (8225, 9888), (8240, 9870), (8400, 9682), (8652, 9400)]