81712320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1878

約数の個数: 112

約数和(自身を含む): 265102848

約数和(自身を除く): 183390528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 141, 160, 188, 192, 235, 240, 282, 320, 376, 470, 480, 564, 705, 752, 940, 960, 1128, 1410, 1504, 1811, 1880, 2256, 2820, 3008, 3622, 3760, 4512, 5433, 5640, 7244, 7520, 9024, 9055, 10866, 11280, 14488, 15040, 18110, 21732, 22560, 27165, 28976, 36220, 43464, 45120, 54330, 57952, 72440, 85117, 86928, 108660, 115904, 144880, 170234, 173856, 217320, 255351, 289760, 340468, 347712, 425585, 434640, 510702, 579520, 680936, 851170, 869280, 1021404, 1276755, 1361872, 1702340, 1738560, 2042808, 2553510, 2723744, 3404680, 4085616, 5107020, 5447488, 6809360, 8171232, 10214040, 13618720, 16342464, 20428080, 27237440, 40856160, 81712320]

約数ペア:

[(1, 81712320), (2, 40856160), (3, 27237440), (4, 20428080), (5, 16342464), (6, 13618720), (8, 10214040), (10, 8171232), (12, 6809360), (15, 5447488), (16, 5107020), (20, 4085616), (24, 3404680), (30, 2723744), (32, 2553510), (40, 2042808), (47, 1738560), (48, 1702340), (60, 1361872), (64, 1276755), (80, 1021404), (94, 869280), (96, 851170), (120, 680936), (141, 579520), (160, 510702), (188, 434640), (192, 425585), (235, 347712), (240, 340468), (282, 289760), (320, 255351), (376, 217320), (470, 173856), (480, 170234), (564, 144880), (705, 115904), (752, 108660), (940, 86928), (960, 85117), (1128, 72440), (1410, 57952), (1504, 54330), (1811, 45120), (1880, 43464), (2256, 36220), (2820, 28976), (3008, 27165), (3622, 22560), (3760, 21732), (4512, 18110), (5433, 15040), (5640, 14488), (7244, 11280), (7520, 10866), (9024, 9055)]