259881440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1373}}^1$

素因数の和:1421

約数の個数: 144

約数和(自身を含む): 760360608

約数和(自身を除く): 500479168

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 455, 520, 560, 676, 728, 845, 910, 1040, 1120, 1183, 1352, 1373, 1456, 1690, 1820, 2080, 2366, 2704, 2746, 2912, 3380, 3640, 4732, 5408, 5492, 5915, 6760, 6865, 7280, 9464, 9611, 10984, 11830, 13520, 13730, 14560, 17849, 18928, 19222, 21968, 23660, 27040, 27460, 35698, 37856, 38444, 43936, 47320, 48055, 54920, 71396, 76888, 89245, 94640, 96110, 109840, 124943, 142792, 153776, 178490, 189280, 192220, 219680, 232037, 249886, 285584, 307552, 356980, 384440, 464074, 499772, 571168, 624715, 713960, 768880, 928148, 999544, 1160185, 1249430, 1427920, 1537760, 1624259, 1856296, 1999088, 2320370, 2498860, 2855840, 3248518, 3712592, 3998176, 4640740, 4997720, 6497036, 7425184, 8121295, 9281480, 9995440, 12994072, 16242590, 18562960, 19990880, 25988144, 32485180, 37125920, 51976288, 64970360, 129940720, 259881440]

約数ペア:

[(1, 259881440), (2, 129940720), (4, 64970360), (5, 51976288), (7, 37125920), (8, 32485180), (10, 25988144), (13, 19990880), (14, 18562960), (16, 16242590), (20, 12994072), (26, 9995440), (28, 9281480), (32, 8121295), (35, 7425184), (40, 6497036), (52, 4997720), (56, 4640740), (65, 3998176), (70, 3712592), (80, 3248518), (91, 2855840), (104, 2498860), (112, 2320370), (130, 1999088), (140, 1856296), (160, 1624259), (169, 1537760), (182, 1427920), (208, 1249430), (224, 1160185), (260, 999544), (280, 928148), (338, 768880), (364, 713960), (416, 624715), (455, 571168), (520, 499772), (560, 464074), (676, 384440), (728, 356980), (845, 307552), (910, 285584), (1040, 249886), (1120, 232037), (1183, 219680), (1352, 192220), (1373, 189280), (1456, 178490), (1690, 153776), (1820, 142792), (2080, 124943), (2366, 109840), (2704, 96110), (2746, 94640), (2912, 89245), (3380, 76888), (3640, 71396), (4732, 54920), (5408, 48055), (5492, 47320), (5915, 43936), (6760, 38444), (6865, 37856), (7280, 35698), (9464, 27460), (9611, 27040), (10984, 23660), (11830, 21968), (13520, 19222), (13730, 18928), (14560, 17849)]