80217480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 256

約数和(自身を含む): 295488000

約数和(自身を除く): 215270520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 37, 40, 42, 56, 58, 60, 70, 74, 84, 87, 89, 105, 111, 116, 120, 140, 145, 148, 168, 174, 178, 185, 203, 210, 222, 232, 259, 267, 280, 290, 296, 348, 356, 370, 406, 420, 435, 444, 445, 518, 534, 555, 580, 609, 623, 696, 712, 740, 777, 812, 840, 870, 888, 890, 1015, 1036, 1068, 1073, 1110, 1160, 1218, 1246, 1295, 1335, 1480, 1554, 1624, 1740, 1780, 1869, 2030, 2072, 2136, 2146, 2220, 2436, 2492, 2581, 2590, 2670, 3045, 3108, 3115, 3219, 3293, 3480, 3560, 3738, 3885, 4060, 4292, 4440, 4872, 4984, 5162, 5180, 5340, 5365, 6090, 6216, 6230, 6438, 6586, 7476, 7511, 7743, 7770, 8120, 8584, 9345, 9879, 10324, 10360, 10680, 10730, 12180, 12460, 12876, 12905, 13172, 14952, 15022, 15486, 15540, 16095, 16465, 18067, 18690, 19758, 20648, 21460, 22533, 23051, 24360, 24920, 25752, 25810, 26344, 30044, 30972, 31080, 32190, 32930, 36134, 37380, 37555, 38715, 39516, 42920, 45066, 46102, 49395, 51620, 54201, 60088, 61944, 64380, 65860, 69153, 72268, 74760, 75110, 77430, 79032, 90132, 90335, 92204, 95497, 98790, 103240, 108402, 112665, 115255, 128760, 131720, 138306, 144536, 150220, 154860, 180264, 180670, 184408, 190994, 197580, 216804, 225330, 230510, 271005, 276612, 286491, 300440, 309720, 345765, 361340, 381988, 395160, 433608, 450660, 461020, 477485, 542010, 553224, 572982, 668479, 691530, 722680, 763976, 901320, 922040, 954970, 1084020, 1145964, 1336958, 1383060, 1432455, 1909940, 2005437, 2168040, 2291928, 2673916, 2766120, 2864910, 3342395, 3819880, 4010874, 5347832, 5729820, 6684790, 8021748, 10027185, 11459640, 13369580, 16043496, 20054370, 26739160, 40108740, 80217480]

約数ペア:

[(1, 80217480), (2, 40108740), (3, 26739160), (4, 20054370), (5, 16043496), (6, 13369580), (7, 11459640), (8, 10027185), (10, 8021748), (12, 6684790), (14, 5729820), (15, 5347832), (20, 4010874), (21, 3819880), (24, 3342395), (28, 2864910), (29, 2766120), (30, 2673916), (35, 2291928), (37, 2168040), (40, 2005437), (42, 1909940), (56, 1432455), (58, 1383060), (60, 1336958), (70, 1145964), (74, 1084020), (84, 954970), (87, 922040), (89, 901320), (105, 763976), (111, 722680), (116, 691530), (120, 668479), (140, 572982), (145, 553224), (148, 542010), (168, 477485), (174, 461020), (178, 450660), (185, 433608), (203, 395160), (210, 381988), (222, 361340), (232, 345765), (259, 309720), (267, 300440), (280, 286491), (290, 276612), (296, 271005), (348, 230510), (356, 225330), (370, 216804), (406, 197580), (420, 190994), (435, 184408), (444, 180670), (445, 180264), (518, 154860), (534, 150220), (555, 144536), (580, 138306), (609, 131720), (623, 128760), (696, 115255), (712, 112665), (740, 108402), (777, 103240), (812, 98790), (840, 95497), (870, 92204), (888, 90335), (890, 90132), (1015, 79032), (1036, 77430), (1068, 75110), (1073, 74760), (1110, 72268), (1160, 69153), (1218, 65860), (1246, 64380), (1295, 61944), (1335, 60088), (1480, 54201), (1554, 51620), (1624, 49395), (1740, 46102), (1780, 45066), (1869, 42920), (2030, 39516), (2072, 38715), (2136, 37555), (2146, 37380), (2220, 36134), (2436, 32930), (2492, 32190), (2581, 31080), (2590, 30972), (2670, 30044), (3045, 26344), (3108, 25810), (3115, 25752), (3219, 24920), (3293, 24360), (3480, 23051), (3560, 22533), (3738, 21460), (3885, 20648), (4060, 19758), (4292, 18690), (4440, 18067), (4872, 16465), (4984, 16095), (5162, 15540), (5180, 15486), (5340, 15022), (5365, 14952), (6090, 13172), (6216, 12905), (6230, 12876), (6438, 12460), (6586, 12180), (7476, 10730), (7511, 10680), (7743, 10360), (7770, 10324), (8120, 9879), (8584, 9345)]