1991996160

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6737}}^1$

素因数の和:6779

約数の個数: 288

約数和(自身を含む): 7932943872

約数和(自身を除く): 5940947712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 256, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 440, 448, 462, 480, 528, 560, 616, 640, 660, 672, 704, 768, 770, 840, 880, 896, 924, 960, 1056, 1120, 1155, 1232, 1280, 1320, 1344, 1408, 1540, 1680, 1760, 1792, 1848, 1920, 2112, 2240, 2310, 2464, 2640, 2688, 2816, 3080, 3360, 3520, 3696, 3840, 4224, 4480, 4620, 4928, 5280, 5376, 6160, 6720, 6737, 7040, 7392, 8448, 8960, 9240, 9856, 10560, 12320, 13440, 13474, 14080, 14784, 18480, 19712, 20211, 21120, 24640, 26880, 26948, 29568, 33685, 36960, 40422, 42240, 47159, 49280, 53896, 59136, 67370, 73920, 74107, 80844, 94318, 98560, 101055, 107792, 134740, 141477, 147840, 148214, 161688, 188636, 202110, 215584, 222321, 235795, 269480, 282954, 295680, 296428, 323376, 370535, 377272, 404220, 431168, 444642, 471590, 518749, 538960, 565908, 592856, 646752, 707385, 741070, 754544, 808440, 862336, 889284, 943180, 1037498, 1077920, 1111605, 1131816, 1185712, 1293504, 1414770, 1482140, 1509088, 1556247, 1616880, 1724672, 1778568, 1886360, 2074996, 2155840, 2223210, 2263632, 2371424, 2587008, 2593745, 2829540, 2964280, 3018176, 3112494, 3233760, 3557136, 3772720, 4149992, 4311680, 4446420, 4527264, 4742848, 5174016, 5187490, 5659080, 5928560, 6036352, 6224988, 6467520, 7114272, 7545440, 7781235, 8299984, 8623360, 8892840, 9054528, 9485696, 10374980, 11318160, 11857120, 12072704, 12449976, 12935040, 14228544, 15090880, 15562470, 16599968, 17785680, 18109056, 18971392, 20749960, 22636320, 23714240, 24899952, 25870080, 28457088, 30181760, 31124940, 33199936, 35571360, 36218112, 41499920, 45272640, 47428480, 49799904, 56914176, 60363520, 62249880, 66399872, 71142720, 82999840, 90545280, 94856960, 99599808, 124499760, 132799744, 142285440, 165999680, 181090560, 199199616, 248999520, 284570880, 331999360, 398399232, 497999040, 663998720, 995998080, 1991996160]

約数ペア:

[(1, 1991996160), (2, 995998080), (3, 663998720), (4, 497999040), (5, 398399232), (6, 331999360), (7, 284570880), (8, 248999520), (10, 199199616), (11, 181090560), (12, 165999680), (14, 142285440), (15, 132799744), (16, 124499760), (20, 99599808), (21, 94856960), (22, 90545280), (24, 82999840), (28, 71142720), (30, 66399872), (32, 62249880), (33, 60363520), (35, 56914176), (40, 49799904), (42, 47428480), (44, 45272640), (48, 41499920), (55, 36218112), (56, 35571360), (60, 33199936), (64, 31124940), (66, 30181760), (70, 28457088), (77, 25870080), (80, 24899952), (84, 23714240), (88, 22636320), (96, 20749960), (105, 18971392), (110, 18109056), (112, 17785680), (120, 16599968), (128, 15562470), (132, 15090880), (140, 14228544), (154, 12935040), (160, 12449976), (165, 12072704), (168, 11857120), (176, 11318160), (192, 10374980), (210, 9485696), (220, 9054528), (224, 8892840), (231, 8623360), (240, 8299984), (256, 7781235), (264, 7545440), (280, 7114272), (308, 6467520), (320, 6224988), (330, 6036352), (336, 5928560), (352, 5659080), (384, 5187490), (385, 5174016), (420, 4742848), (440, 4527264), (448, 4446420), (462, 4311680), (480, 4149992), (528, 3772720), (560, 3557136), (616, 3233760), (640, 3112494), (660, 3018176), (672, 2964280), (704, 2829540), (768, 2593745), (770, 2587008), (840, 2371424), (880, 2263632), (896, 2223210), (924, 2155840), (960, 2074996), (1056, 1886360), (1120, 1778568), (1155, 1724672), (1232, 1616880), (1280, 1556247), (1320, 1509088), (1344, 1482140), (1408, 1414770), (1540, 1293504), (1680, 1185712), (1760, 1131816), (1792, 1111605), (1848, 1077920), (1920, 1037498), (2112, 943180), (2240, 889284), (2310, 862336), (2464, 808440), (2640, 754544), (2688, 741070), (2816, 707385), (3080, 646752), (3360, 592856), (3520, 565908), (3696, 538960), (3840, 518749), (4224, 471590), (4480, 444642), (4620, 431168), (4928, 404220), (5280, 377272), (5376, 370535), (6160, 323376), (6720, 296428), (6737, 295680), (7040, 282954), (7392, 269480), (8448, 235795), (8960, 222321), (9240, 215584), (9856, 202110), (10560, 188636), (12320, 161688), (13440, 148214), (13474, 147840), (14080, 141477), (14784, 134740), (18480, 107792), (19712, 101055), (20211, 98560), (21120, 94318), (24640, 80844), (26880, 74107), (26948, 73920), (29568, 67370), (33685, 59136), (36960, 53896), (40422, 49280), (42240, 47159)]