81793920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 256

約数和(自身を含む): 293025600

約数和(自身を除く): 211231680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 64, 65, 78, 80, 87, 96, 104, 113, 116, 120, 128, 130, 145, 156, 160, 174, 192, 195, 208, 226, 232, 240, 260, 290, 312, 320, 339, 348, 377, 384, 390, 416, 435, 452, 464, 480, 520, 565, 580, 624, 640, 678, 696, 754, 780, 832, 870, 904, 928, 960, 1040, 1130, 1131, 1160, 1248, 1356, 1392, 1469, 1508, 1560, 1664, 1695, 1740, 1808, 1856, 1885, 1920, 2080, 2260, 2262, 2320, 2496, 2712, 2784, 2938, 3016, 3120, 3277, 3390, 3480, 3616, 3712, 3770, 4160, 4407, 4520, 4524, 4640, 4992, 5424, 5568, 5655, 5876, 6032, 6240, 6554, 6780, 6960, 7232, 7345, 7540, 8320, 8814, 9040, 9048, 9280, 9831, 10848, 11136, 11310, 11752, 12064, 12480, 13108, 13560, 13920, 14464, 14690, 15080, 16385, 17628, 18080, 18096, 18560, 19662, 21696, 22035, 22620, 23504, 24128, 24960, 26216, 27120, 27840, 29380, 30160, 32770, 35256, 36160, 36192, 39324, 42601, 43392, 44070, 45240, 47008, 48256, 49155, 52432, 54240, 55680, 58760, 60320, 65540, 70512, 72320, 72384, 78648, 85202, 88140, 90480, 94016, 98310, 104864, 108480, 117520, 120640, 127803, 131080, 141024, 144768, 157296, 170404, 176280, 180960, 188032, 196620, 209728, 213005, 216960, 235040, 241280, 255606, 262160, 282048, 314592, 340808, 352560, 361920, 393240, 419456, 426010, 470080, 511212, 524320, 564096, 629184, 639015, 681616, 705120, 723840, 786480, 852020, 940160, 1022424, 1048640, 1258368, 1278030, 1363232, 1410240, 1572960, 1704040, 2044848, 2097280, 2556060, 2726464, 2820480, 3145920, 3408080, 4089696, 5112120, 5452928, 6291840, 6816160, 8179392, 10224240, 13632320, 16358784, 20448480, 27264640, 40896960, 81793920]

約数ペア:

[(1, 81793920), (2, 40896960), (3, 27264640), (4, 20448480), (5, 16358784), (6, 13632320), (8, 10224240), (10, 8179392), (12, 6816160), (13, 6291840), (15, 5452928), (16, 5112120), (20, 4089696), (24, 3408080), (26, 3145920), (29, 2820480), (30, 2726464), (32, 2556060), (39, 2097280), (40, 2044848), (48, 1704040), (52, 1572960), (58, 1410240), (60, 1363232), (64, 1278030), (65, 1258368), (78, 1048640), (80, 1022424), (87, 940160), (96, 852020), (104, 786480), (113, 723840), (116, 705120), (120, 681616), (128, 639015), (130, 629184), (145, 564096), (156, 524320), (160, 511212), (174, 470080), (192, 426010), (195, 419456), (208, 393240), (226, 361920), (232, 352560), (240, 340808), (260, 314592), (290, 282048), (312, 262160), (320, 255606), (339, 241280), (348, 235040), (377, 216960), (384, 213005), (390, 209728), (416, 196620), (435, 188032), (452, 180960), (464, 176280), (480, 170404), (520, 157296), (565, 144768), (580, 141024), (624, 131080), (640, 127803), (678, 120640), (696, 117520), (754, 108480), (780, 104864), (832, 98310), (870, 94016), (904, 90480), (928, 88140), (960, 85202), (1040, 78648), (1130, 72384), (1131, 72320), (1160, 70512), (1248, 65540), (1356, 60320), (1392, 58760), (1469, 55680), (1508, 54240), (1560, 52432), (1664, 49155), (1695, 48256), (1740, 47008), (1808, 45240), (1856, 44070), (1885, 43392), (1920, 42601), (2080, 39324), (2260, 36192), (2262, 36160), (2320, 35256), (2496, 32770), (2712, 30160), (2784, 29380), (2938, 27840), (3016, 27120), (3120, 26216), (3277, 24960), (3390, 24128), (3480, 23504), (3616, 22620), (3712, 22035), (3770, 21696), (4160, 19662), (4407, 18560), (4520, 18096), (4524, 18080), (4640, 17628), (4992, 16385), (5424, 15080), (5568, 14690), (5655, 14464), (5876, 13920), (6032, 13560), (6240, 13108), (6554, 12480), (6780, 12064), (6960, 11752), (7232, 11310), (7345, 11136), (7540, 10848), (8320, 9831), (8814, 9280), (9040, 9048)]