257150880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 288

約数和(自身を含む): 1017080064

約数和(自身を除く): 759929184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 97, 105, 112, 120, 126, 140, 144, 160, 168, 180, 194, 210, 224, 240, 252, 263, 280, 288, 291, 315, 336, 360, 388, 420, 480, 485, 504, 526, 560, 582, 630, 672, 679, 720, 776, 789, 840, 873, 970, 1008, 1052, 1120, 1164, 1260, 1315, 1358, 1440, 1455, 1552, 1578, 1680, 1746, 1841, 1940, 2016, 2037, 2104, 2328, 2367, 2520, 2630, 2716, 2910, 3104, 3156, 3360, 3395, 3492, 3682, 3880, 3945, 4074, 4208, 4365, 4656, 4734, 5040, 5260, 5432, 5523, 5820, 6111, 6312, 6790, 6984, 7364, 7760, 7890, 8148, 8416, 8730, 9205, 9312, 9468, 10080, 10185, 10520, 10864, 11046, 11640, 11835, 12222, 12624, 13580, 13968, 14728, 15520, 15780, 16296, 16569, 17460, 18410, 18936, 20370, 21040, 21728, 22092, 23280, 23670, 24444, 25248, 25511, 27160, 27615, 27936, 29456, 30555, 31560, 32592, 33138, 34920, 36820, 37872, 40740, 42080, 44184, 46560, 47340, 48888, 51022, 54320, 55230, 58912, 61110, 63120, 65184, 66276, 69840, 73640, 75744, 76533, 81480, 82845, 88368, 94680, 97776, 102044, 108640, 110460, 122220, 126240, 127555, 132552, 139680, 147280, 153066, 162960, 165690, 176736, 178577, 189360, 195552, 204088, 220920, 229599, 244440, 255110, 265104, 294560, 306132, 325920, 331380, 357154, 378720, 382665, 408176, 441840, 459198, 488880, 510220, 530208, 535731, 612264, 662760, 714308, 765330, 816352, 883680, 892885, 918396, 977760, 1020440, 1071462, 1147995, 1224528, 1325520, 1428616, 1530660, 1607193, 1785770, 1836792, 2040880, 2142924, 2295990, 2449056, 2651040, 2678655, 2857232, 3061320, 3214386, 3571540, 3673584, 4081760, 4285848, 4591980, 5357310, 5714464, 6122640, 6428772, 7143080, 7347168, 8035965, 8571696, 9183960, 10714620, 12245280, 12857544, 14286160, 16071930, 17143392, 18367920, 21429240, 25715088, 28572320, 32143860, 36735840, 42858480, 51430176, 64287720, 85716960, 128575440, 257150880]

約数ペア:

[(1, 257150880), (2, 128575440), (3, 85716960), (4, 64287720), (5, 51430176), (6, 42858480), (7, 36735840), (8, 32143860), (9, 28572320), (10, 25715088), (12, 21429240), (14, 18367920), (15, 17143392), (16, 16071930), (18, 14286160), (20, 12857544), (21, 12245280), (24, 10714620), (28, 9183960), (30, 8571696), (32, 8035965), (35, 7347168), (36, 7143080), (40, 6428772), (42, 6122640), (45, 5714464), (48, 5357310), (56, 4591980), (60, 4285848), (63, 4081760), (70, 3673584), (72, 3571540), (80, 3214386), (84, 3061320), (90, 2857232), (96, 2678655), (97, 2651040), (105, 2449056), (112, 2295990), (120, 2142924), (126, 2040880), (140, 1836792), (144, 1785770), (160, 1607193), (168, 1530660), (180, 1428616), (194, 1325520), (210, 1224528), (224, 1147995), (240, 1071462), (252, 1020440), (263, 977760), (280, 918396), (288, 892885), (291, 883680), (315, 816352), (336, 765330), (360, 714308), (388, 662760), (420, 612264), (480, 535731), (485, 530208), (504, 510220), (526, 488880), (560, 459198), (582, 441840), (630, 408176), (672, 382665), (679, 378720), (720, 357154), (776, 331380), (789, 325920), (840, 306132), (873, 294560), (970, 265104), (1008, 255110), (1052, 244440), (1120, 229599), (1164, 220920), (1260, 204088), (1315, 195552), (1358, 189360), (1440, 178577), (1455, 176736), (1552, 165690), (1578, 162960), (1680, 153066), (1746, 147280), (1841, 139680), (1940, 132552), (2016, 127555), (2037, 126240), (2104, 122220), (2328, 110460), (2367, 108640), (2520, 102044), (2630, 97776), (2716, 94680), (2910, 88368), (3104, 82845), (3156, 81480), (3360, 76533), (3395, 75744), (3492, 73640), (3682, 69840), (3880, 66276), (3945, 65184), (4074, 63120), (4208, 61110), (4365, 58912), (4656, 55230), (4734, 54320), (5040, 51022), (5260, 48888), (5432, 47340), (5523, 46560), (5820, 44184), (6111, 42080), (6312, 40740), (6790, 37872), (6984, 36820), (7364, 34920), (7760, 33138), (7890, 32592), (8148, 31560), (8416, 30555), (8730, 29456), (9205, 27936), (9312, 27615), (9468, 27160), (10080, 25511), (10185, 25248), (10520, 24444), (10864, 23670), (11046, 23280), (11640, 22092), (11835, 21728), (12222, 21040), (12624, 20370), (13580, 18936), (13968, 18410), (14728, 17460), (15520, 16569), (15780, 16296)]