71245440

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 512

約数和(自身を含む): 313344000

約数和(自身を除く): 242098560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 62, 63, 64, 70, 72, 76, 80, 84, 90, 93, 95, 96, 105, 108, 112, 114, 120, 124, 126, 128, 133, 135, 140, 144, 152, 155, 160, 168, 171, 180, 186, 189, 190, 192, 210, 216, 217, 224, 228, 240, 248, 252, 266, 270, 279, 280, 285, 288, 304, 310, 315, 320, 336, 342, 360, 372, 378, 380, 384, 399, 420, 432, 434, 448, 456, 465, 480, 496, 504, 513, 532, 540, 558, 560, 570, 576, 589, 608, 620, 630, 640, 651, 665, 672, 684, 720, 744, 756, 760, 798, 837, 840, 855, 864, 868, 896, 912, 930, 945, 960, 992, 1008, 1026, 1064, 1080, 1085, 1116, 1120, 1140, 1152, 1178, 1197, 1216, 1240, 1260, 1302, 1330, 1344, 1368, 1395, 1440, 1488, 1512, 1520, 1596, 1674, 1680, 1710, 1728, 1736, 1767, 1824, 1860, 1890, 1920, 1953, 1984, 1995, 2016, 2052, 2128, 2160, 2170, 2232, 2240, 2280, 2356, 2394, 2432, 2480, 2520, 2565, 2604, 2660, 2688, 2736, 2790, 2880, 2945, 2976, 3024, 3040, 3192, 3255, 3348, 3360, 3420, 3456, 3472, 3534, 3591, 3648, 3720, 3780, 3906, 3968, 3990, 4032, 4104, 4123, 4185, 4256, 4320, 4340, 4464, 4480, 4560, 4712, 4788, 4960, 5040, 5130, 5208, 5301, 5320, 5472, 5580, 5760, 5859, 5890, 5952, 5985, 6048, 6080, 6384, 6510, 6696, 6720, 6840, 6944, 7068, 7182, 7296, 7440, 7560, 7812, 7980, 8064, 8208, 8246, 8370, 8512, 8640, 8680, 8835, 8928, 9120, 9424, 9576, 9765, 9920, 10080, 10260, 10416, 10602, 10640, 10944, 11160, 11718, 11780, 11904, 11970, 12096, 12160, 12369, 12768, 13020, 13392, 13440, 13680, 13888, 14136, 14364, 14880, 15120, 15624, 15903, 15960, 16416, 16492, 16740, 17024, 17280, 17360, 17670, 17856, 17955, 18240, 18848, 19152, 19530, 19840, 20160, 20520, 20615, 20832, 21204, 21280, 21888, 22320, 23436, 23560, 23940, 24192, 24738, 25536, 26040, 26505, 26784, 27360, 27776, 28272, 28728, 29295, 29760, 30240, 31248, 31806, 31920, 32832, 32984, 33480, 34720, 35340, 35712, 35910, 36480, 37107, 37696, 38304, 39060, 40320, 41040, 41230, 41664, 42408, 42560, 44640, 46872, 47120, 47880, 49476, 51072, 52080, 53010, 53568, 54720, 56544, 57456, 58590, 59520, 60480, 61845, 62496, 63612, 63840, 65664, 65968, 66960, 69440, 70680, 71820, 74214, 75392, 76608, 78120, 79515, 82080, 82460, 83328, 84816, 85120, 89280, 93744, 94240, 95760, 98952, 104160, 106020, 107136, 109440, 111321, 113088, 114912, 117180, 120960, 123690, 124992, 127224, 127680, 131936, 133920, 138880, 141360, 143640, 148428, 153216, 156240, 159030, 164160, 164920, 169632, 178560, 185535, 187488, 188480, 191520, 197904, 208320, 212040, 222642, 226176, 229824, 234360, 247380, 249984, 254448, 255360, 263872, 267840, 282720, 287280, 296856, 312480, 318060, 328320, 329840, 339264, 371070, 374976, 376960, 383040, 395808, 416640, 424080, 445284, 459648, 468720, 494760, 508896, 527744, 535680, 556605, 565440, 574560, 593712, 624960, 636120, 659680, 678528, 742140, 749952, 766080, 791616, 848160, 890568, 937440, 989520, 1017792, 1113210, 1130880, 1149120, 1187424, 1249920, 1272240, 1319360, 1484280, 1583232, 1696320, 1781136, 1874880, 1979040, 2035584, 2226420, 2298240, 2374848, 2544480, 2638720, 2968560, 3392640, 3562272, 3749760, 3958080, 4452840, 4749696, 5088960, 5937120, 7124544, 7916160, 8905680, 10177920, 11874240, 14249088, 17811360, 23748480, 35622720, 71245440]

約数ペア:

[(1, 71245440), (2, 35622720), (3, 23748480), (4, 17811360), (5, 14249088), (6, 11874240), (7, 10177920), (8, 8905680), (9, 7916160), (10, 7124544), (12, 5937120), (14, 5088960), (15, 4749696), (16, 4452840), (18, 3958080), (19, 3749760), (20, 3562272), (21, 3392640), (24, 2968560), (27, 2638720), (28, 2544480), (30, 2374848), (31, 2298240), (32, 2226420), (35, 2035584), (36, 1979040), (38, 1874880), (40, 1781136), (42, 1696320), (45, 1583232), (48, 1484280), (54, 1319360), (56, 1272240), (57, 1249920), (60, 1187424), (62, 1149120), (63, 1130880), (64, 1113210), (70, 1017792), (72, 989520), (76, 937440), (80, 890568), (84, 848160), (90, 791616), (93, 766080), (95, 749952), (96, 742140), (105, 678528), (108, 659680), (112, 636120), (114, 624960), (120, 593712), (124, 574560), (126, 565440), (128, 556605), (133, 535680), (135, 527744), (140, 508896), (144, 494760), (152, 468720), (155, 459648), (160, 445284), (168, 424080), (171, 416640), (180, 395808), (186, 383040), (189, 376960), (190, 374976), (192, 371070), (210, 339264), (216, 329840), (217, 328320), (224, 318060), (228, 312480), (240, 296856), (248, 287280), (252, 282720), (266, 267840), (270, 263872), (279, 255360), (280, 254448), (285, 249984), (288, 247380), (304, 234360), (310, 229824), (315, 226176), (320, 222642), (336, 212040), (342, 208320), (360, 197904), (372, 191520), (378, 188480), (380, 187488), (384, 185535), (399, 178560), (420, 169632), (432, 164920), (434, 164160), (448, 159030), (456, 156240), (465, 153216), (480, 148428), (496, 143640), (504, 141360), (513, 138880), (532, 133920), (540, 131936), (558, 127680), (560, 127224), (570, 124992), (576, 123690), (589, 120960), (608, 117180), (620, 114912), (630, 113088), (640, 111321), (651, 109440), (665, 107136), (672, 106020), (684, 104160), (720, 98952), (744, 95760), (756, 94240), (760, 93744), (798, 89280), (837, 85120), (840, 84816), (855, 83328), (864, 82460), (868, 82080), (896, 79515), (912, 78120), (930, 76608), (945, 75392), (960, 74214), (992, 71820), (1008, 70680), (1026, 69440), (1064, 66960), (1080, 65968), (1085, 65664), (1116, 63840), (1120, 63612), (1140, 62496), (1152, 61845), (1178, 60480), (1197, 59520), (1216, 58590), (1240, 57456), (1260, 56544), (1302, 54720), (1330, 53568), (1344, 53010), (1368, 52080), (1395, 51072), (1440, 49476), (1488, 47880), (1512, 47120), (1520, 46872), (1596, 44640), (1674, 42560), (1680, 42408), (1710, 41664), (1728, 41230), (1736, 41040), (1767, 40320), (1824, 39060), (1860, 38304), (1890, 37696), (1920, 37107), (1953, 36480), (1984, 35910), (1995, 35712), (2016, 35340), (2052, 34720), (2128, 33480), (2160, 32984), (2170, 32832), (2232, 31920), (2240, 31806), (2280, 31248), (2356, 30240), (2394, 29760), (2432, 29295), (2480, 28728), (2520, 28272), (2565, 27776), (2604, 27360), (2660, 26784), (2688, 26505), (2736, 26040), (2790, 25536), (2880, 24738), (2945, 24192), (2976, 23940), (3024, 23560), (3040, 23436), (3192, 22320), (3255, 21888), (3348, 21280), (3360, 21204), (3420, 20832), (3456, 20615), (3472, 20520), (3534, 20160), (3591, 19840), (3648, 19530), (3720, 19152), (3780, 18848), (3906, 18240), (3968, 17955), (3990, 17856), (4032, 17670), (4104, 17360), (4123, 17280), (4185, 17024), (4256, 16740), (4320, 16492), (4340, 16416), (4464, 15960), (4480, 15903), (4560, 15624), (4712, 15120), (4788, 14880), (4960, 14364), (5040, 14136), (5130, 13888), (5208, 13680), (5301, 13440), (5320, 13392), (5472, 13020), (5580, 12768), (5760, 12369), (5859, 12160), (5890, 12096), (5952, 11970), (5985, 11904), (6048, 11780), (6080, 11718), (6384, 11160), (6510, 10944), (6696, 10640), (6720, 10602), (6840, 10416), (6944, 10260), (7068, 10080), (7182, 9920), (7296, 9765), (7440, 9576), (7560, 9424), (7812, 9120), (7980, 8928), (8064, 8835), (8208, 8680), (8246, 8640), (8370, 8512)]