8280720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 33426432

約数和(自身を除く): 25145712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 53, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 106, 112, 120, 124, 126, 140, 144, 155, 159, 168, 180, 186, 210, 212, 217, 240, 248, 252, 265, 279, 280, 310, 315, 318, 336, 360, 371, 372, 420, 424, 434, 465, 477, 496, 504, 530, 558, 560, 620, 630, 636, 651, 720, 742, 744, 795, 840, 848, 868, 930, 954, 1008, 1060, 1085, 1113, 1116, 1240, 1260, 1272, 1302, 1395, 1484, 1488, 1590, 1643, 1680, 1736, 1855, 1860, 1908, 1953, 2120, 2170, 2226, 2232, 2385, 2480, 2520, 2544, 2604, 2790, 2968, 3180, 3255, 3286, 3339, 3472, 3710, 3720, 3816, 3906, 4240, 4340, 4452, 4464, 4770, 4929, 5040, 5208, 5565, 5580, 5936, 6360, 6510, 6572, 6678, 7420, 7440, 7632, 7812, 8215, 8680, 8904, 9540, 9765, 9858, 10416, 11130, 11160, 11501, 12720, 13020, 13144, 13356, 14787, 14840, 15624, 16430, 16695, 17360, 17808, 19080, 19530, 19716, 22260, 22320, 23002, 24645, 26040, 26288, 26712, 29574, 29680, 31248, 32860, 33390, 34503, 38160, 39060, 39432, 44520, 46004, 49290, 52080, 53424, 57505, 59148, 65720, 66780, 69006, 73935, 78120, 78864, 89040, 92008, 98580, 103509, 115010, 118296, 131440, 133560, 138012, 147870, 156240, 172515, 184016, 197160, 207018, 230020, 236592, 267120, 276024, 295740, 345030, 394320, 414036, 460040, 517545, 552048, 591480, 690060, 828072, 920080, 1035090, 1182960, 1380120, 1656144, 2070180, 2760240, 4140360, 8280720]

約数ペア:

[(1, 8280720), (2, 4140360), (3, 2760240), (4, 2070180), (5, 1656144), (6, 1380120), (7, 1182960), (8, 1035090), (9, 920080), (10, 828072), (12, 690060), (14, 591480), (15, 552048), (16, 517545), (18, 460040), (20, 414036), (21, 394320), (24, 345030), (28, 295740), (30, 276024), (31, 267120), (35, 236592), (36, 230020), (40, 207018), (42, 197160), (45, 184016), (48, 172515), (53, 156240), (56, 147870), (60, 138012), (62, 133560), (63, 131440), (70, 118296), (72, 115010), (80, 103509), (84, 98580), (90, 92008), (93, 89040), (105, 78864), (106, 78120), (112, 73935), (120, 69006), (124, 66780), (126, 65720), (140, 59148), (144, 57505), (155, 53424), (159, 52080), (168, 49290), (180, 46004), (186, 44520), (210, 39432), (212, 39060), (217, 38160), (240, 34503), (248, 33390), (252, 32860), (265, 31248), (279, 29680), (280, 29574), (310, 26712), (315, 26288), (318, 26040), (336, 24645), (360, 23002), (371, 22320), (372, 22260), (420, 19716), (424, 19530), (434, 19080), (465, 17808), (477, 17360), (496, 16695), (504, 16430), (530, 15624), (558, 14840), (560, 14787), (620, 13356), (630, 13144), (636, 13020), (651, 12720), (720, 11501), (742, 11160), (744, 11130), (795, 10416), (840, 9858), (848, 9765), (868, 9540), (930, 8904), (954, 8680), (1008, 8215), (1060, 7812), (1085, 7632), (1113, 7440), (1116, 7420), (1240, 6678), (1260, 6572), (1272, 6510), (1302, 6360), (1395, 5936), (1484, 5580), (1488, 5565), (1590, 5208), (1643, 5040), (1680, 4929), (1736, 4770), (1855, 4464), (1860, 4452), (1908, 4340), (1953, 4240), (2120, 3906), (2170, 3816), (2226, 3720), (2232, 3710), (2385, 3472), (2480, 3339), (2520, 3286), (2544, 3255), (2604, 3180), (2790, 2968)]