68347440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 240

約数和(自身を含む): 267411456

約数和(自身を除く): 199064016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 105, 112, 120, 126, 140, 142, 144, 168, 180, 191, 210, 213, 240, 252, 280, 284, 315, 336, 355, 360, 382, 420, 426, 497, 504, 560, 568, 573, 630, 639, 710, 720, 764, 840, 852, 955, 994, 1008, 1065, 1136, 1146, 1260, 1278, 1337, 1420, 1491, 1528, 1680, 1704, 1719, 1910, 1988, 2130, 2292, 2485, 2520, 2556, 2674, 2840, 2865, 2982, 3056, 3195, 3408, 3438, 3820, 3976, 4011, 4260, 4473, 4584, 4970, 5040, 5112, 5348, 5680, 5730, 5964, 6390, 6685, 6876, 7455, 7640, 7952, 8022, 8520, 8595, 8946, 9168, 9940, 10224, 10696, 11460, 11928, 12033, 12780, 13370, 13561, 13752, 14910, 15280, 16044, 17040, 17190, 17892, 19880, 20055, 21392, 22365, 22920, 23856, 24066, 25560, 26740, 27122, 27504, 29820, 32088, 34380, 35784, 39760, 40110, 40683, 44730, 45840, 48132, 51120, 53480, 54244, 59640, 60165, 64176, 67805, 68760, 71568, 80220, 81366, 89460, 94927, 96264, 106960, 108488, 119280, 120330, 122049, 135610, 137520, 160440, 162732, 178920, 189854, 192528, 203415, 216976, 240660, 244098, 271220, 284781, 320880, 325464, 357840, 379708, 406830, 474635, 481320, 488196, 542440, 569562, 610245, 650928, 759416, 813660, 854343, 949270, 962640, 976392, 1084880, 1139124, 1220490, 1423905, 1518832, 1627320, 1708686, 1898540, 1952784, 2278248, 2440980, 2847810, 3254640, 3417372, 3797080, 4271715, 4556496, 4881960, 5695620, 6834744, 7594160, 8543430, 9763920, 11391240, 13669488, 17086860, 22782480, 34173720, 68347440]

約数ペア:

[(1, 68347440), (2, 34173720), (3, 22782480), (4, 17086860), (5, 13669488), (6, 11391240), (7, 9763920), (8, 8543430), (9, 7594160), (10, 6834744), (12, 5695620), (14, 4881960), (15, 4556496), (16, 4271715), (18, 3797080), (20, 3417372), (21, 3254640), (24, 2847810), (28, 2440980), (30, 2278248), (35, 1952784), (36, 1898540), (40, 1708686), (42, 1627320), (45, 1518832), (48, 1423905), (56, 1220490), (60, 1139124), (63, 1084880), (70, 976392), (71, 962640), (72, 949270), (80, 854343), (84, 813660), (90, 759416), (105, 650928), (112, 610245), (120, 569562), (126, 542440), (140, 488196), (142, 481320), (144, 474635), (168, 406830), (180, 379708), (191, 357840), (210, 325464), (213, 320880), (240, 284781), (252, 271220), (280, 244098), (284, 240660), (315, 216976), (336, 203415), (355, 192528), (360, 189854), (382, 178920), (420, 162732), (426, 160440), (497, 137520), (504, 135610), (560, 122049), (568, 120330), (573, 119280), (630, 108488), (639, 106960), (710, 96264), (720, 94927), (764, 89460), (840, 81366), (852, 80220), (955, 71568), (994, 68760), (1008, 67805), (1065, 64176), (1136, 60165), (1146, 59640), (1260, 54244), (1278, 53480), (1337, 51120), (1420, 48132), (1491, 45840), (1528, 44730), (1680, 40683), (1704, 40110), (1719, 39760), (1910, 35784), (1988, 34380), (2130, 32088), (2292, 29820), (2485, 27504), (2520, 27122), (2556, 26740), (2674, 25560), (2840, 24066), (2865, 23856), (2982, 22920), (3056, 22365), (3195, 21392), (3408, 20055), (3438, 19880), (3820, 17892), (3976, 17190), (4011, 17040), (4260, 16044), (4473, 15280), (4584, 14910), (4970, 13752), (5040, 13561), (5112, 13370), (5348, 12780), (5680, 12033), (5730, 11928), (5964, 11460), (6390, 10696), (6685, 10224), (6876, 9940), (7455, 9168), (7640, 8946), (7952, 8595), (8022, 8520)]