80255280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 320

約数和(自身を含む): 310837248

約数和(自身を除く): 230581968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 31, 35, 40, 42, 46, 48, 56, 60, 62, 67, 69, 70, 80, 84, 92, 93, 105, 112, 115, 120, 124, 134, 138, 140, 155, 161, 168, 184, 186, 201, 210, 217, 230, 240, 248, 268, 276, 280, 310, 322, 335, 336, 345, 368, 372, 402, 420, 434, 460, 465, 469, 483, 496, 536, 552, 560, 620, 644, 651, 670, 690, 713, 744, 804, 805, 840, 868, 920, 930, 938, 966, 1005, 1072, 1085, 1104, 1240, 1288, 1302, 1340, 1380, 1407, 1426, 1488, 1541, 1608, 1610, 1680, 1736, 1840, 1860, 1876, 1932, 2010, 2077, 2139, 2170, 2345, 2415, 2480, 2576, 2604, 2680, 2760, 2814, 2852, 3082, 3216, 3220, 3255, 3472, 3565, 3720, 3752, 3864, 4020, 4154, 4278, 4340, 4623, 4690, 4830, 4991, 5208, 5360, 5520, 5628, 5704, 6164, 6231, 6440, 6510, 7035, 7130, 7440, 7504, 7705, 7728, 8040, 8308, 8556, 8680, 9246, 9380, 9660, 9982, 10385, 10416, 10695, 10787, 11256, 11408, 12328, 12462, 12880, 13020, 14070, 14260, 14539, 14973, 15410, 16080, 16616, 17112, 17360, 18492, 18760, 19320, 19964, 20770, 21390, 21574, 22512, 23115, 24656, 24924, 24955, 26040, 28140, 28520, 29078, 29946, 30820, 31155, 32361, 33232, 34224, 36984, 37520, 38640, 39928, 41540, 42780, 43148, 43617, 46230, 47771, 49848, 49910, 52080, 53935, 56280, 57040, 58156, 59892, 61640, 62310, 64722, 72695, 73968, 74865, 79856, 83080, 85560, 86296, 87234, 92460, 95542, 99696, 99820, 107870, 112560, 116312, 119784, 123280, 124620, 129444, 143313, 145390, 149730, 161805, 166160, 171120, 172592, 174468, 184920, 191084, 199640, 215740, 218085, 232624, 238855, 239568, 249240, 258888, 286626, 290780, 299460, 323610, 334397, 348936, 369840, 382168, 399280, 431480, 436170, 477710, 498480, 517776, 573252, 581560, 598920, 647220, 668794, 697872, 716565, 764336, 862960, 872340, 955420, 1003191, 1146504, 1163120, 1197840, 1294440, 1337588, 1433130, 1671985, 1744680, 1910840, 2006382, 2293008, 2588880, 2675176, 2866260, 3343970, 3489360, 3821680, 4012764, 5015955, 5350352, 5732520, 6687940, 8025528, 10031910, 11465040, 13375880, 16051056, 20063820, 26751760, 40127640, 80255280]

約数ペア:

[(1, 80255280), (2, 40127640), (3, 26751760), (4, 20063820), (5, 16051056), (6, 13375880), (7, 11465040), (8, 10031910), (10, 8025528), (12, 6687940), (14, 5732520), (15, 5350352), (16, 5015955), (20, 4012764), (21, 3821680), (23, 3489360), (24, 3343970), (28, 2866260), (30, 2675176), (31, 2588880), (35, 2293008), (40, 2006382), (42, 1910840), (46, 1744680), (48, 1671985), (56, 1433130), (60, 1337588), (62, 1294440), (67, 1197840), (69, 1163120), (70, 1146504), (80, 1003191), (84, 955420), (92, 872340), (93, 862960), (105, 764336), (112, 716565), (115, 697872), (120, 668794), (124, 647220), (134, 598920), (138, 581560), (140, 573252), (155, 517776), (161, 498480), (168, 477710), (184, 436170), (186, 431480), (201, 399280), (210, 382168), (217, 369840), (230, 348936), (240, 334397), (248, 323610), (268, 299460), (276, 290780), (280, 286626), (310, 258888), (322, 249240), (335, 239568), (336, 238855), (345, 232624), (368, 218085), (372, 215740), (402, 199640), (420, 191084), (434, 184920), (460, 174468), (465, 172592), (469, 171120), (483, 166160), (496, 161805), (536, 149730), (552, 145390), (560, 143313), (620, 129444), (644, 124620), (651, 123280), (670, 119784), (690, 116312), (713, 112560), (744, 107870), (804, 99820), (805, 99696), (840, 95542), (868, 92460), (920, 87234), (930, 86296), (938, 85560), (966, 83080), (1005, 79856), (1072, 74865), (1085, 73968), (1104, 72695), (1240, 64722), (1288, 62310), (1302, 61640), (1340, 59892), (1380, 58156), (1407, 57040), (1426, 56280), (1488, 53935), (1541, 52080), (1608, 49910), (1610, 49848), (1680, 47771), (1736, 46230), (1840, 43617), (1860, 43148), (1876, 42780), (1932, 41540), (2010, 39928), (2077, 38640), (2139, 37520), (2170, 36984), (2345, 34224), (2415, 33232), (2480, 32361), (2576, 31155), (2604, 30820), (2680, 29946), (2760, 29078), (2814, 28520), (2852, 28140), (3082, 26040), (3216, 24955), (3220, 24924), (3255, 24656), (3472, 23115), (3565, 22512), (3720, 21574), (3752, 21390), (3864, 20770), (4020, 19964), (4154, 19320), (4278, 18760), (4340, 18492), (4623, 17360), (4690, 17112), (4830, 16616), (4991, 16080), (5208, 15410), (5360, 14973), (5520, 14539), (5628, 14260), (5704, 14070), (6164, 13020), (6231, 12880), (6440, 12462), (6510, 12328), (7035, 11408), (7130, 11256), (7440, 10787), (7504, 10695), (7705, 10416), (7728, 10385), (8040, 9982), (8308, 9660), (8556, 9380), (8680, 9246)]