278728320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{859}}^1$

素因数の和:907

約数の個数: 192

約数和(自身を含む): 963165600

約数和(自身を除く): 684437280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 384, 390, 416, 480, 507, 520, 624, 640, 676, 780, 832, 845, 859, 960, 1014, 1040, 1248, 1352, 1560, 1664, 1690, 1718, 1920, 2028, 2080, 2496, 2535, 2577, 2704, 3120, 3380, 3436, 4056, 4160, 4295, 4992, 5070, 5154, 5408, 6240, 6760, 6872, 8112, 8320, 8590, 10140, 10308, 10816, 11167, 12480, 12885, 13520, 13744, 16224, 17180, 20280, 20616, 21632, 22334, 24960, 25770, 27040, 27488, 32448, 33501, 34360, 40560, 41232, 44668, 51540, 54080, 54976, 55835, 64896, 67002, 68720, 81120, 82464, 89336, 103080, 108160, 109952, 111670, 134004, 137440, 145171, 162240, 164928, 167505, 178672, 206160, 223340, 268008, 274880, 290342, 324480, 329856, 335010, 357344, 412320, 435513, 446680, 536016, 549760, 580684, 670020, 714688, 725855, 824640, 871026, 893360, 1072032, 1161368, 1340040, 1429376, 1451710, 1649280, 1742052, 1786720, 2144064, 2177565, 2322736, 2680080, 2903420, 3484104, 3573440, 4288128, 4355130, 4645472, 5360160, 5806840, 6968208, 7146880, 8710260, 9290944, 10720320, 11613680, 13936416, 17420520, 18581888, 21440640, 23227360, 27872832, 34841040, 46454720, 55745664, 69682080, 92909440, 139364160, 278728320]

約数ペア:

[(1, 278728320), (2, 139364160), (3, 92909440), (4, 69682080), (5, 55745664), (6, 46454720), (8, 34841040), (10, 27872832), (12, 23227360), (13, 21440640), (15, 18581888), (16, 17420520), (20, 13936416), (24, 11613680), (26, 10720320), (30, 9290944), (32, 8710260), (39, 7146880), (40, 6968208), (48, 5806840), (52, 5360160), (60, 4645472), (64, 4355130), (65, 4288128), (78, 3573440), (80, 3484104), (96, 2903420), (104, 2680080), (120, 2322736), (128, 2177565), (130, 2144064), (156, 1786720), (160, 1742052), (169, 1649280), (192, 1451710), (195, 1429376), (208, 1340040), (240, 1161368), (260, 1072032), (312, 893360), (320, 871026), (338, 824640), (384, 725855), (390, 714688), (416, 670020), (480, 580684), (507, 549760), (520, 536016), (624, 446680), (640, 435513), (676, 412320), (780, 357344), (832, 335010), (845, 329856), (859, 324480), (960, 290342), (1014, 274880), (1040, 268008), (1248, 223340), (1352, 206160), (1560, 178672), (1664, 167505), (1690, 164928), (1718, 162240), (1920, 145171), (2028, 137440), (2080, 134004), (2496, 111670), (2535, 109952), (2577, 108160), (2704, 103080), (3120, 89336), (3380, 82464), (3436, 81120), (4056, 68720), (4160, 67002), (4295, 64896), (4992, 55835), (5070, 54976), (5154, 54080), (5408, 51540), (6240, 44668), (6760, 41232), (6872, 40560), (8112, 34360), (8320, 33501), (8590, 32448), (10140, 27488), (10308, 27040), (10816, 25770), (11167, 24960), (12480, 22334), (12885, 21632), (13520, 20616), (13744, 20280), (16224, 17180)]