20782790400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{7901}}^1$

素因数の和:8067

約数の個数: 216

約数和(自身を含む): 69096921264

約数和(自身を除く): 48314130864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 137, 150, 160, 192, 200, 240, 256, 274, 300, 320, 384, 400, 411, 480, 548, 600, 640, 685, 768, 800, 822, 960, 1096, 1200, 1280, 1370, 1600, 1644, 1920, 2055, 2192, 2400, 2740, 3200, 3288, 3425, 3840, 4110, 4384, 4800, 5480, 6400, 6576, 6850, 7901, 8220, 8768, 9600, 10275, 10960, 13152, 13700, 15802, 16440, 17536, 19200, 20550, 21920, 23703, 26304, 27400, 31604, 32880, 35072, 39505, 41100, 43840, 47406, 52608, 54800, 63208, 65760, 79010, 82200, 87680, 94812, 105216, 109600, 118515, 126416, 131520, 158020, 164400, 175360, 189624, 197525, 219200, 237030, 252832, 263040, 316040, 328800, 379248, 395050, 438400, 474060, 505664, 526080, 592575, 632080, 657600, 758496, 790100, 876800, 948120, 1011328, 1082437, 1185150, 1264160, 1315200, 1516992, 1580200, 1896240, 2022656, 2164874, 2370300, 2528320, 2630400, 3033984, 3160400, 3247311, 3792480, 4329748, 4740600, 5056640, 5412185, 6067968, 6320800, 6494622, 7584960, 8659496, 9481200, 10113280, 10824370, 12641600, 12989244, 15169920, 16236555, 17318992, 18962400, 21648740, 25283200, 25978488, 27060925, 30339840, 32473110, 34637984, 37924800, 43297480, 50566400, 51956976, 54121850, 64946220, 69275968, 75849600, 81182775, 86594960, 103913952, 108243700, 129892440, 138551936, 151699200, 162365550, 173189920, 207827904, 216487400, 259784880, 277103872, 324731100, 346379840, 415655808, 432974800, 519569760, 649462200, 692759680, 831311616, 865949600, 1039139520, 1298924400, 1385519360, 1731899200, 2078279040, 2597848800, 3463798400, 4156558080, 5195697600, 6927596800, 10391395200, 20782790400]

約数ペア:

[(1, 20782790400), (2, 10391395200), (3, 6927596800), (4, 5195697600), (5, 4156558080), (6, 3463798400), (8, 2597848800), (10, 2078279040), (12, 1731899200), (15, 1385519360), (16, 1298924400), (20, 1039139520), (24, 865949600), (25, 831311616), (30, 692759680), (32, 649462200), (40, 519569760), (48, 432974800), (50, 415655808), (60, 346379840), (64, 324731100), (75, 277103872), (80, 259784880), (96, 216487400), (100, 207827904), (120, 173189920), (128, 162365550), (137, 151699200), (150, 138551936), (160, 129892440), (192, 108243700), (200, 103913952), (240, 86594960), (256, 81182775), (274, 75849600), (300, 69275968), (320, 64946220), (384, 54121850), (400, 51956976), (411, 50566400), (480, 43297480), (548, 37924800), (600, 34637984), (640, 32473110), (685, 30339840), (768, 27060925), (800, 25978488), (822, 25283200), (960, 21648740), (1096, 18962400), (1200, 17318992), (1280, 16236555), (1370, 15169920), (1600, 12989244), (1644, 12641600), (1920, 10824370), (2055, 10113280), (2192, 9481200), (2400, 8659496), (2740, 7584960), (3200, 6494622), (3288, 6320800), (3425, 6067968), (3840, 5412185), (4110, 5056640), (4384, 4740600), (4800, 4329748), (5480, 3792480), (6400, 3247311), (6576, 3160400), (6850, 3033984), (7901, 2630400), (8220, 2528320), (8768, 2370300), (9600, 2164874), (10275, 2022656), (10960, 1896240), (13152, 1580200), (13700, 1516992), (15802, 1315200), (16440, 1264160), (17536, 1185150), (19200, 1082437), (20550, 1011328), (21920, 948120), (23703, 876800), (26304, 790100), (27400, 758496), (31604, 657600), (32880, 632080), (35072, 592575), (39505, 526080), (41100, 505664), (43840, 474060), (47406, 438400), (52608, 395050), (54800, 379248), (63208, 328800), (65760, 316040), (79010, 263040), (82200, 252832), (87680, 237030), (94812, 219200), (105216, 197525), (109600, 189624), (118515, 175360), (126416, 164400), (131520, 158020)]