280547520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:919

約数の個数: 224

約数和(自身を含む): 1004230656

約数和(自身を除く): 723683136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 440, 465, 480, 496, 528, 620, 660, 682, 704, 744, 857, 880, 930, 960, 992, 1023, 1056, 1240, 1320, 1364, 1488, 1705, 1714, 1760, 1860, 1984, 2046, 2112, 2480, 2571, 2640, 2728, 2976, 3410, 3428, 3520, 3720, 4092, 4285, 4960, 5115, 5142, 5280, 5456, 5952, 6820, 6856, 7440, 8184, 8570, 9427, 9920, 10230, 10284, 10560, 10912, 12855, 13640, 13712, 14880, 16368, 17140, 18854, 20460, 20568, 21824, 25710, 26567, 27280, 27424, 28281, 29760, 32736, 34280, 37708, 40920, 41136, 47135, 51420, 53134, 54560, 54848, 56562, 65472, 68560, 75416, 79701, 81840, 82272, 94270, 102840, 106268, 109120, 113124, 132835, 137120, 141405, 150832, 159402, 163680, 164544, 188540, 205680, 212536, 226248, 265670, 274240, 282810, 292237, 301664, 318804, 327360, 377080, 398505, 411360, 425072, 452496, 531340, 565620, 584474, 603328, 637608, 754160, 797010, 822720, 850144, 876711, 904992, 1062680, 1131240, 1168948, 1275216, 1461185, 1508320, 1594020, 1700288, 1753422, 1809984, 2125360, 2262480, 2337896, 2550432, 2922370, 3016640, 3188040, 3506844, 4250720, 4383555, 4524960, 4675792, 5100864, 5844740, 6376080, 7013688, 8501440, 8767110, 9049920, 9351584, 11689480, 12752160, 14027376, 17534220, 18703168, 23378960, 25504320, 28054752, 35068440, 46757920, 56109504, 70136880, 93515840, 140273760, 280547520]

約数ペア:

[(1, 280547520), (2, 140273760), (3, 93515840), (4, 70136880), (5, 56109504), (6, 46757920), (8, 35068440), (10, 28054752), (11, 25504320), (12, 23378960), (15, 18703168), (16, 17534220), (20, 14027376), (22, 12752160), (24, 11689480), (30, 9351584), (31, 9049920), (32, 8767110), (33, 8501440), (40, 7013688), (44, 6376080), (48, 5844740), (55, 5100864), (60, 4675792), (62, 4524960), (64, 4383555), (66, 4250720), (80, 3506844), (88, 3188040), (93, 3016640), (96, 2922370), (110, 2550432), (120, 2337896), (124, 2262480), (132, 2125360), (155, 1809984), (160, 1753422), (165, 1700288), (176, 1594020), (186, 1508320), (192, 1461185), (220, 1275216), (240, 1168948), (248, 1131240), (264, 1062680), (310, 904992), (320, 876711), (330, 850144), (341, 822720), (352, 797010), (372, 754160), (440, 637608), (465, 603328), (480, 584474), (496, 565620), (528, 531340), (620, 452496), (660, 425072), (682, 411360), (704, 398505), (744, 377080), (857, 327360), (880, 318804), (930, 301664), (960, 292237), (992, 282810), (1023, 274240), (1056, 265670), (1240, 226248), (1320, 212536), (1364, 205680), (1488, 188540), (1705, 164544), (1714, 163680), (1760, 159402), (1860, 150832), (1984, 141405), (2046, 137120), (2112, 132835), (2480, 113124), (2571, 109120), (2640, 106268), (2728, 102840), (2976, 94270), (3410, 82272), (3428, 81840), (3520, 79701), (3720, 75416), (4092, 68560), (4285, 65472), (4960, 56562), (5115, 54848), (5142, 54560), (5280, 53134), (5456, 51420), (5952, 47135), (6820, 41136), (6856, 40920), (7440, 37708), (8184, 34280), (8570, 32736), (9427, 29760), (9920, 28281), (10230, 27424), (10284, 27280), (10560, 26567), (10912, 25710), (12855, 21824), (13640, 20568), (13712, 20460), (14880, 18854), (16368, 17140)]