68040720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 254876544

約数和(自身を除く): 186835824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 99, 110, 120, 121, 132, 142, 144, 165, 176, 180, 198, 213, 220, 240, 242, 264, 284, 330, 355, 360, 363, 396, 426, 440, 484, 495, 528, 568, 605, 639, 660, 710, 720, 726, 781, 792, 852, 880, 968, 990, 1065, 1089, 1136, 1210, 1278, 1320, 1331, 1420, 1452, 1562, 1584, 1704, 1815, 1936, 1980, 2130, 2178, 2343, 2420, 2556, 2640, 2662, 2840, 2904, 3124, 3195, 3408, 3630, 3905, 3960, 3993, 4260, 4356, 4686, 4840, 5112, 5324, 5445, 5680, 5808, 6248, 6390, 6655, 7029, 7260, 7810, 7920, 7986, 8520, 8591, 8712, 9372, 9680, 10224, 10648, 10890, 11715, 11979, 12496, 12780, 13310, 14058, 14520, 15620, 15972, 17040, 17182, 17424, 18744, 19965, 21296, 21780, 23430, 23958, 25560, 25773, 26620, 28116, 29040, 31240, 31944, 34364, 35145, 37488, 39930, 42955, 43560, 46860, 47916, 51120, 51546, 53240, 56232, 59895, 62480, 63888, 68728, 70290, 77319, 79860, 85910, 87120, 93720, 94501, 95832, 103092, 106480, 112464, 119790, 128865, 137456, 140580, 154638, 159720, 171820, 187440, 189002, 191664, 206184, 239580, 257730, 281160, 283503, 309276, 319440, 343640, 378004, 386595, 412368, 472505, 479160, 515460, 562320, 567006, 618552, 687280, 756008, 773190, 850509, 945010, 958320, 1030920, 1134012, 1237104, 1417515, 1512016, 1546380, 1701018, 1890020, 2061840, 2268024, 2835030, 3092760, 3402036, 3780040, 4252545, 4536048, 5670060, 6185520, 6804072, 7560080, 8505090, 11340120, 13608144, 17010180, 22680240, 34020360, 68040720]

約数ペア:

[(1, 68040720), (2, 34020360), (3, 22680240), (4, 17010180), (5, 13608144), (6, 11340120), (8, 8505090), (9, 7560080), (10, 6804072), (11, 6185520), (12, 5670060), (15, 4536048), (16, 4252545), (18, 3780040), (20, 3402036), (22, 3092760), (24, 2835030), (30, 2268024), (33, 2061840), (36, 1890020), (40, 1701018), (44, 1546380), (45, 1512016), (48, 1417515), (55, 1237104), (60, 1134012), (66, 1030920), (71, 958320), (72, 945010), (80, 850509), (88, 773190), (90, 756008), (99, 687280), (110, 618552), (120, 567006), (121, 562320), (132, 515460), (142, 479160), (144, 472505), (165, 412368), (176, 386595), (180, 378004), (198, 343640), (213, 319440), (220, 309276), (240, 283503), (242, 281160), (264, 257730), (284, 239580), (330, 206184), (355, 191664), (360, 189002), (363, 187440), (396, 171820), (426, 159720), (440, 154638), (484, 140580), (495, 137456), (528, 128865), (568, 119790), (605, 112464), (639, 106480), (660, 103092), (710, 95832), (720, 94501), (726, 93720), (781, 87120), (792, 85910), (852, 79860), (880, 77319), (968, 70290), (990, 68728), (1065, 63888), (1089, 62480), (1136, 59895), (1210, 56232), (1278, 53240), (1320, 51546), (1331, 51120), (1420, 47916), (1452, 46860), (1562, 43560), (1584, 42955), (1704, 39930), (1815, 37488), (1936, 35145), (1980, 34364), (2130, 31944), (2178, 31240), (2343, 29040), (2420, 28116), (2556, 26620), (2640, 25773), (2662, 25560), (2840, 23958), (2904, 23430), (3124, 21780), (3195, 21296), (3408, 19965), (3630, 18744), (3905, 17424), (3960, 17182), (3993, 17040), (4260, 15972), (4356, 15620), (4686, 14520), (4840, 14058), (5112, 13310), (5324, 12780), (5445, 12496), (5680, 11979), (5808, 11715), (6248, 10890), (6390, 10648), (6655, 10224), (7029, 9680), (7260, 9372), (7810, 8712), (7920, 8591), (7986, 8520)]