128575440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 240

約数和(自身を含む): 500467968

約数和(自身を除く): 371892528

約数列:

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

約数ペア:

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