81423360

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 352

約数和(自身を含む): 314419200

約数和(自身を除く): 232995840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 31, 32, 36, 38, 40, 45, 48, 54, 57, 60, 62, 64, 72, 76, 80, 90, 93, 95, 96, 108, 114, 120, 124, 128, 135, 144, 152, 155, 160, 171, 180, 186, 190, 192, 216, 228, 240, 248, 256, 270, 279, 285, 288, 304, 310, 320, 342, 360, 372, 380, 384, 432, 456, 465, 480, 496, 512, 513, 540, 558, 570, 576, 589, 608, 620, 640, 684, 720, 744, 760, 768, 837, 855, 864, 912, 930, 960, 992, 1024, 1026, 1080, 1116, 1140, 1152, 1178, 1216, 1240, 1280, 1368, 1395, 1440, 1488, 1520, 1536, 1674, 1710, 1728, 1767, 1824, 1860, 1920, 1984, 2052, 2160, 2232, 2280, 2304, 2356, 2432, 2480, 2560, 2565, 2736, 2790, 2880, 2945, 2976, 3040, 3072, 3348, 3420, 3456, 3534, 3648, 3720, 3840, 3968, 4104, 4185, 4320, 4464, 4560, 4608, 4712, 4864, 4960, 5120, 5130, 5301, 5472, 5580, 5760, 5890, 5952, 6080, 6696, 6840, 6912, 7068, 7296, 7440, 7680, 7936, 8208, 8370, 8640, 8835, 8928, 9120, 9216, 9424, 9728, 9920, 10260, 10602, 10944, 11160, 11520, 11780, 11904, 12160, 13392, 13680, 13824, 14136, 14592, 14880, 15360, 15872, 15903, 16416, 16740, 17280, 17670, 17856, 18240, 18848, 19456, 19840, 20520, 21204, 21888, 22320, 23040, 23560, 23808, 24320, 26505, 26784, 27360, 27648, 28272, 29184, 29760, 31744, 31806, 32832, 33480, 34560, 35340, 35712, 36480, 37696, 39680, 41040, 42408, 43776, 44640, 46080, 47120, 47616, 48640, 53010, 53568, 54720, 56544, 58368, 59520, 63612, 65664, 66960, 69120, 70680, 71424, 72960, 75392, 79360, 79515, 82080, 84816, 87552, 89280, 94240, 95232, 97280, 106020, 107136, 109440, 113088, 119040, 127224, 131328, 133920, 138240, 141360, 142848, 145920, 150784, 158720, 159030, 164160, 169632, 175104, 178560, 188480, 212040, 214272, 218880, 226176, 238080, 254448, 262656, 267840, 282720, 285696, 291840, 301568, 318060, 328320, 339264, 357120, 376960, 424080, 428544, 437760, 452352, 476160, 508896, 525312, 535680, 565440, 603136, 636120, 656640, 678528, 714240, 753920, 848160, 857088, 875520, 904704, 1017792, 1071360, 1130880, 1272240, 1313280, 1357056, 1428480, 1507840, 1696320, 1809408, 2035584, 2142720, 2261760, 2544480, 2626560, 2714112, 3015680, 3392640, 4071168, 4285440, 4523520, 5088960, 5428224, 6785280, 8142336, 9047040, 10177920, 13570560, 16284672, 20355840, 27141120, 40711680, 81423360]

約数ペア:

[(1, 81423360), (2, 40711680), (3, 27141120), (4, 20355840), (5, 16284672), (6, 13570560), (8, 10177920), (9, 9047040), (10, 8142336), (12, 6785280), (15, 5428224), (16, 5088960), (18, 4523520), (19, 4285440), (20, 4071168), (24, 3392640), (27, 3015680), (30, 2714112), (31, 2626560), (32, 2544480), (36, 2261760), (38, 2142720), (40, 2035584), (45, 1809408), (48, 1696320), (54, 1507840), (57, 1428480), (60, 1357056), (62, 1313280), (64, 1272240), (72, 1130880), (76, 1071360), (80, 1017792), (90, 904704), (93, 875520), (95, 857088), (96, 848160), (108, 753920), (114, 714240), (120, 678528), (124, 656640), (128, 636120), (135, 603136), (144, 565440), (152, 535680), (155, 525312), (160, 508896), (171, 476160), (180, 452352), (186, 437760), (190, 428544), (192, 424080), (216, 376960), (228, 357120), (240, 339264), (248, 328320), (256, 318060), (270, 301568), (279, 291840), (285, 285696), (288, 282720), (304, 267840), (310, 262656), (320, 254448), (342, 238080), (360, 226176), (372, 218880), (380, 214272), (384, 212040), (432, 188480), (456, 178560), (465, 175104), (480, 169632), (496, 164160), (512, 159030), (513, 158720), (540, 150784), (558, 145920), (570, 142848), (576, 141360), (589, 138240), (608, 133920), (620, 131328), (640, 127224), (684, 119040), (720, 113088), (744, 109440), (760, 107136), (768, 106020), (837, 97280), (855, 95232), (864, 94240), (912, 89280), (930, 87552), (960, 84816), (992, 82080), (1024, 79515), (1026, 79360), (1080, 75392), (1116, 72960), (1140, 71424), (1152, 70680), (1178, 69120), (1216, 66960), (1240, 65664), (1280, 63612), (1368, 59520), (1395, 58368), (1440, 56544), (1488, 54720), (1520, 53568), (1536, 53010), (1674, 48640), (1710, 47616), (1728, 47120), (1767, 46080), (1824, 44640), (1860, 43776), (1920, 42408), (1984, 41040), (2052, 39680), (2160, 37696), (2232, 36480), (2280, 35712), (2304, 35340), (2356, 34560), (2432, 33480), (2480, 32832), (2560, 31806), (2565, 31744), (2736, 29760), (2790, 29184), (2880, 28272), (2945, 27648), (2976, 27360), (3040, 26784), (3072, 26505), (3348, 24320), (3420, 23808), (3456, 23560), (3534, 23040), (3648, 22320), (3720, 21888), (3840, 21204), (3968, 20520), (4104, 19840), (4185, 19456), (4320, 18848), (4464, 18240), (4560, 17856), (4608, 17670), (4712, 17280), (4864, 16740), (4960, 16416), (5120, 15903), (5130, 15872), (5301, 15360), (5472, 14880), (5580, 14592), (5760, 14136), (5890, 13824), (5952, 13680), (6080, 13392), (6696, 12160), (6840, 11904), (6912, 11780), (7068, 11520), (7296, 11160), (7440, 10944), (7680, 10602), (7936, 10260), (8208, 9920), (8370, 9728), (8640, 9424), (8835, 9216), (8928, 9120)]