211362480

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2033

約数の個数: 240

約数和(自身を含む): 847311840

約数和(自身を除く): 635949360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 1997, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 3994, 4410, 5040, 5292, 5880, 5991, 6615, 7056, 7560, 7988, 8820, 9985, 10584, 11760, 11982, 13230, 13979, 15120, 15976, 17640, 17973, 19970, 21168, 23964, 26460, 27958, 29955, 31952, 35280, 35946, 39940, 41937, 47928, 52920, 53919, 55916, 59910, 69895, 71892, 79880, 83874, 89865, 95856, 97853, 105840, 107838, 111832, 119820, 125811, 139790, 143784, 159760, 167748, 179730, 195706, 209685, 215676, 223664, 239640, 251622, 269595, 279580, 287568, 293559, 335496, 359460, 377433, 391412, 419370, 431352, 479280, 489265, 503244, 539190, 559160, 587118, 629055, 670992, 718920, 754866, 782824, 838740, 862704, 880677, 978530, 1006488, 1078380, 1118320, 1174236, 1258110, 1437840, 1467795, 1509732, 1565648, 1677480, 1761354, 1887165, 1957060, 2012976, 2156760, 2348472, 2516220, 2642031, 2935590, 3019464, 3354960, 3522708, 3774330, 3914120, 4313520, 4403385, 4696944, 5032440, 5284062, 5871180, 6038928, 7045416, 7548660, 7828240, 8806770, 10064880, 10568124, 11742360, 13210155, 14090832, 15097320, 17613540, 21136248, 23484720, 26420310, 30194640, 35227080, 42272496, 52840620, 70454160, 105681240, 211362480]

約数ペア:

[(1, 211362480), (2, 105681240), (3, 70454160), (4, 52840620), (5, 42272496), (6, 35227080), (7, 30194640), (8, 26420310), (9, 23484720), (10, 21136248), (12, 17613540), (14, 15097320), (15, 14090832), (16, 13210155), (18, 11742360), (20, 10568124), (21, 10064880), (24, 8806770), (27, 7828240), (28, 7548660), (30, 7045416), (35, 6038928), (36, 5871180), (40, 5284062), (42, 5032440), (45, 4696944), (48, 4403385), (49, 4313520), (54, 3914120), (56, 3774330), (60, 3522708), (63, 3354960), (70, 3019464), (72, 2935590), (80, 2642031), (84, 2516220), (90, 2348472), (98, 2156760), (105, 2012976), (108, 1957060), (112, 1887165), (120, 1761354), (126, 1677480), (135, 1565648), (140, 1509732), (144, 1467795), (147, 1437840), (168, 1258110), (180, 1174236), (189, 1118320), (196, 1078380), (210, 1006488), (216, 978530), (240, 880677), (245, 862704), (252, 838740), (270, 782824), (280, 754866), (294, 718920), (315, 670992), (336, 629055), (360, 587118), (378, 559160), (392, 539190), (420, 503244), (432, 489265), (441, 479280), (490, 431352), (504, 419370), (540, 391412), (560, 377433), (588, 359460), (630, 335496), (720, 293559), (735, 287568), (756, 279580), (784, 269595), (840, 251622), (882, 239640), (945, 223664), (980, 215676), (1008, 209685), (1080, 195706), (1176, 179730), (1260, 167748), (1323, 159760), (1470, 143784), (1512, 139790), (1680, 125811), (1764, 119820), (1890, 111832), (1960, 107838), (1997, 105840), (2160, 97853), (2205, 95856), (2352, 89865), (2520, 83874), (2646, 79880), (2940, 71892), (3024, 69895), (3528, 59910), (3780, 55916), (3920, 53919), (3994, 52920), (4410, 47928), (5040, 41937), (5292, 39940), (5880, 35946), (5991, 35280), (6615, 31952), (7056, 29955), (7560, 27958), (7988, 26460), (8820, 23964), (9985, 21168), (10584, 19970), (11760, 17973), (11982, 17640), (13230, 15976), (13979, 15120)]