21748800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 168

約数和(自身を含む): 74834496

約数和(自身を除く): 53085696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 92, 96, 100, 115, 120, 138, 150, 160, 184, 192, 197, 200, 230, 240, 276, 300, 320, 345, 368, 394, 400, 460, 480, 552, 575, 591, 600, 690, 736, 788, 800, 920, 960, 985, 1104, 1150, 1182, 1200, 1380, 1472, 1576, 1600, 1725, 1840, 1970, 2208, 2300, 2364, 2400, 2760, 2955, 3152, 3450, 3680, 3940, 4416, 4531, 4600, 4728, 4800, 4925, 5520, 5910, 6304, 6900, 7360, 7880, 9062, 9200, 9456, 9850, 11040, 11820, 12608, 13593, 13800, 14775, 15760, 18124, 18400, 18912, 19700, 22080, 22655, 23640, 27186, 27600, 29550, 31520, 36248, 36800, 37824, 39400, 45310, 47280, 54372, 55200, 59100, 63040, 67965, 72496, 78800, 90620, 94560, 108744, 110400, 113275, 118200, 135930, 144992, 157600, 181240, 189120, 217488, 226550, 236400, 271860, 289984, 315200, 339825, 362480, 434976, 453100, 472800, 543720, 679650, 724960, 869952, 906200, 945600, 1087440, 1359300, 1449920, 1812400, 2174880, 2718600, 3624800, 4349760, 5437200, 7249600, 10874400, 21748800]

約数ペア:

[(1, 21748800), (2, 10874400), (3, 7249600), (4, 5437200), (5, 4349760), (6, 3624800), (8, 2718600), (10, 2174880), (12, 1812400), (15, 1449920), (16, 1359300), (20, 1087440), (23, 945600), (24, 906200), (25, 869952), (30, 724960), (32, 679650), (40, 543720), (46, 472800), (48, 453100), (50, 434976), (60, 362480), (64, 339825), (69, 315200), (75, 289984), (80, 271860), (92, 236400), (96, 226550), (100, 217488), (115, 189120), (120, 181240), (138, 157600), (150, 144992), (160, 135930), (184, 118200), (192, 113275), (197, 110400), (200, 108744), (230, 94560), (240, 90620), (276, 78800), (300, 72496), (320, 67965), (345, 63040), (368, 59100), (394, 55200), (400, 54372), (460, 47280), (480, 45310), (552, 39400), (575, 37824), (591, 36800), (600, 36248), (690, 31520), (736, 29550), (788, 27600), (800, 27186), (920, 23640), (960, 22655), (985, 22080), (1104, 19700), (1150, 18912), (1182, 18400), (1200, 18124), (1380, 15760), (1472, 14775), (1576, 13800), (1600, 13593), (1725, 12608), (1840, 11820), (1970, 11040), (2208, 9850), (2300, 9456), (2364, 9200), (2400, 9062), (2760, 7880), (2955, 7360), (3152, 6900), (3450, 6304), (3680, 5910), (3940, 5520), (4416, 4925), (4531, 4800), (4600, 4728)]