40868280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 138240000

約数和(自身を除く): 97371720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 479, 540, 632, 711, 790, 948, 958, 1080, 1185, 1422, 1437, 1580, 1896, 1916, 2133, 2370, 2395, 2844, 2874, 3160, 3555, 3832, 4266, 4311, 4740, 4790, 5688, 5748, 7110, 7185, 8532, 8622, 9480, 9580, 10665, 11496, 12933, 14220, 14370, 17064, 17244, 19160, 21330, 21555, 25866, 28440, 28740, 34488, 37841, 42660, 43110, 51732, 57480, 64665, 75682, 85320, 86220, 103464, 113523, 129330, 151364, 172440, 189205, 227046, 258660, 302728, 340569, 378410, 454092, 517320, 567615, 681138, 756820, 908184, 1021707, 1135230, 1362276, 1513640, 1702845, 2043414, 2270460, 2724552, 3405690, 4086828, 4540920, 5108535, 6811380, 8173656, 10217070, 13622760, 20434140, 40868280]

約数ペア:

[(1, 40868280), (2, 20434140), (3, 13622760), (4, 10217070), (5, 8173656), (6, 6811380), (8, 5108535), (9, 4540920), (10, 4086828), (12, 3405690), (15, 2724552), (18, 2270460), (20, 2043414), (24, 1702845), (27, 1513640), (30, 1362276), (36, 1135230), (40, 1021707), (45, 908184), (54, 756820), (60, 681138), (72, 567615), (79, 517320), (90, 454092), (108, 378410), (120, 340569), (135, 302728), (158, 258660), (180, 227046), (216, 189205), (237, 172440), (270, 151364), (316, 129330), (360, 113523), (395, 103464), (474, 86220), (479, 85320), (540, 75682), (632, 64665), (711, 57480), (790, 51732), (948, 43110), (958, 42660), (1080, 37841), (1185, 34488), (1422, 28740), (1437, 28440), (1580, 25866), (1896, 21555), (1916, 21330), (2133, 19160), (2370, 17244), (2395, 17064), (2844, 14370), (2874, 14220), (3160, 12933), (3555, 11496), (3832, 10665), (4266, 9580), (4311, 9480), (4740, 8622), (4790, 8532), (5688, 7185), (5748, 7110)]