256504500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:528

約数の個数: 288

約数和(自身を含む): 981227520

約数和(自身を除く): 724723020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 25, 28, 30, 34, 35, 36, 42, 45, 50, 51, 60, 63, 68, 70, 75, 84, 85, 90, 100, 102, 105, 119, 125, 126, 140, 150, 153, 170, 175, 180, 204, 210, 225, 238, 250, 252, 255, 300, 306, 315, 340, 350, 357, 375, 420, 425, 450, 476, 479, 500, 510, 525, 595, 612, 630, 700, 714, 750, 765, 850, 875, 900, 958, 1020, 1050, 1071, 1125, 1190, 1260, 1275, 1428, 1437, 1500, 1530, 1575, 1700, 1750, 1785, 1916, 2100, 2125, 2142, 2250, 2380, 2395, 2550, 2625, 2874, 2975, 3060, 3150, 3353, 3500, 3570, 3825, 4250, 4284, 4311, 4500, 4790, 5100, 5250, 5355, 5748, 5950, 6300, 6375, 6706, 7140, 7185, 7650, 7875, 8143, 8500, 8622, 8925, 9580, 10059, 10500, 10710, 11900, 11975, 12750, 13412, 14370, 14875, 15300, 15750, 16286, 16765, 17244, 17850, 19125, 20118, 21420, 21555, 23950, 24429, 25500, 26775, 28740, 29750, 30177, 31500, 32572, 33530, 35700, 35925, 38250, 40236, 40715, 43110, 44625, 47900, 48858, 50295, 53550, 57001, 59500, 59875, 60354, 67060, 71850, 73287, 76500, 81430, 83825, 86220, 89250, 97716, 100590, 107100, 107775, 114002, 119750, 120708, 122145, 133875, 143700, 146574, 150885, 162860, 167650, 171003, 178500, 179625, 201180, 203575, 215550, 228004, 239500, 244290, 251475, 267750, 285005, 293148, 301770, 335300, 342006, 359250, 366435, 407150, 419125, 431100, 488580, 502950, 513009, 535500, 538875, 570010, 603540, 610725, 684012, 718500, 732870, 754425, 814300, 838250, 855015, 1005900, 1017875, 1026018, 1077750, 1140020, 1221450, 1257375, 1425025, 1465740, 1508850, 1676500, 1710030, 1832175, 2035750, 2052036, 2155500, 2442900, 2514750, 2565045, 2850050, 3017700, 3053625, 3420060, 3664350, 3772125, 4071500, 4275075, 5029500, 5130090, 5700100, 6107250, 7125125, 7328700, 7544250, 8550150, 9160875, 10260180, 12214500, 12825225, 14250250, 15088500, 17100300, 18321750, 21375375, 25650450, 28500500, 36643500, 42750750, 51300900, 64126125, 85501500, 128252250, 256504500]

約数ペア:

[(1, 256504500), (2, 128252250), (3, 85501500), (4, 64126125), (5, 51300900), (6, 42750750), (7, 36643500), (9, 28500500), (10, 25650450), (12, 21375375), (14, 18321750), (15, 17100300), (17, 15088500), (18, 14250250), (20, 12825225), (21, 12214500), (25, 10260180), (28, 9160875), (30, 8550150), (34, 7544250), (35, 7328700), (36, 7125125), (42, 6107250), (45, 5700100), (50, 5130090), (51, 5029500), (60, 4275075), (63, 4071500), (68, 3772125), (70, 3664350), (75, 3420060), (84, 3053625), (85, 3017700), (90, 2850050), (100, 2565045), (102, 2514750), (105, 2442900), (119, 2155500), (125, 2052036), (126, 2035750), (140, 1832175), (150, 1710030), (153, 1676500), (170, 1508850), (175, 1465740), (180, 1425025), (204, 1257375), (210, 1221450), (225, 1140020), (238, 1077750), (250, 1026018), (252, 1017875), (255, 1005900), (300, 855015), (306, 838250), (315, 814300), (340, 754425), (350, 732870), (357, 718500), (375, 684012), (420, 610725), (425, 603540), (450, 570010), (476, 538875), (479, 535500), (500, 513009), (510, 502950), (525, 488580), (595, 431100), (612, 419125), (630, 407150), (700, 366435), (714, 359250), (750, 342006), (765, 335300), (850, 301770), (875, 293148), (900, 285005), (958, 267750), (1020, 251475), (1050, 244290), (1071, 239500), (1125, 228004), (1190, 215550), (1260, 203575), (1275, 201180), (1428, 179625), (1437, 178500), (1500, 171003), (1530, 167650), (1575, 162860), (1700, 150885), (1750, 146574), (1785, 143700), (1916, 133875), (2100, 122145), (2125, 120708), (2142, 119750), (2250, 114002), (2380, 107775), (2395, 107100), (2550, 100590), (2625, 97716), (2874, 89250), (2975, 86220), (3060, 83825), (3150, 81430), (3353, 76500), (3500, 73287), (3570, 71850), (3825, 67060), (4250, 60354), (4284, 59875), (4311, 59500), (4500, 57001), (4790, 53550), (5100, 50295), (5250, 48858), (5355, 47900), (5748, 44625), (5950, 43110), (6300, 40715), (6375, 40236), (6706, 38250), (7140, 35925), (7185, 35700), (7650, 33530), (7875, 32572), (8143, 31500), (8500, 30177), (8622, 29750), (8925, 28740), (9580, 26775), (10059, 25500), (10500, 24429), (10710, 23950), (11900, 21555), (11975, 21420), (12750, 20118), (13412, 19125), (14370, 17850), (14875, 17244), (15300, 16765), (15750, 16286)]