391385520

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{2237}}^1$

素因数の和:2271

約数の個数: 160

約数和(自身を含む): 1365359040

約数和(自身を除く): 973973520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2187, 2237, 2430, 2916, 3240, 3645, 3888, 4374, 4474, 4860, 5832, 6480, 6711, 7290, 8748, 8948, 9720, 10935, 11185, 11664, 13422, 14580, 17496, 17896, 19440, 20133, 21870, 22370, 26844, 29160, 33555, 34992, 35792, 40266, 43740, 44740, 53688, 58320, 60399, 67110, 80532, 87480, 89480, 100665, 107376, 120798, 134220, 161064, 174960, 178960, 181197, 201330, 241596, 268440, 301995, 322128, 362394, 402660, 483192, 536880, 543591, 603990, 724788, 805320, 905985, 966384, 1087182, 1207980, 1449576, 1610640, 1630773, 1811970, 2174364, 2415960, 2717955, 2899152, 3261546, 3623940, 4348728, 4831920, 4892319, 5435910, 6523092, 7247880, 8153865, 8697456, 9784638, 10871820, 13046184, 14495760, 16307730, 19569276, 21743640, 24461595, 26092368, 32615460, 39138552, 43487280, 48923190, 65230920, 78277104, 97846380, 130461840, 195692760, 391385520]

約数ペア:

[(1, 391385520), (2, 195692760), (3, 130461840), (4, 97846380), (5, 78277104), (6, 65230920), (8, 48923190), (9, 43487280), (10, 39138552), (12, 32615460), (15, 26092368), (16, 24461595), (18, 21743640), (20, 19569276), (24, 16307730), (27, 14495760), (30, 13046184), (36, 10871820), (40, 9784638), (45, 8697456), (48, 8153865), (54, 7247880), (60, 6523092), (72, 5435910), (80, 4892319), (81, 4831920), (90, 4348728), (108, 3623940), (120, 3261546), (135, 2899152), (144, 2717955), (162, 2415960), (180, 2174364), (216, 1811970), (240, 1630773), (243, 1610640), (270, 1449576), (324, 1207980), (360, 1087182), (405, 966384), (432, 905985), (486, 805320), (540, 724788), (648, 603990), (720, 543591), (729, 536880), (810, 483192), (972, 402660), (1080, 362394), (1215, 322128), (1296, 301995), (1458, 268440), (1620, 241596), (1944, 201330), (2160, 181197), (2187, 178960), (2237, 174960), (2430, 161064), (2916, 134220), (3240, 120798), (3645, 107376), (3888, 100665), (4374, 89480), (4474, 87480), (4860, 80532), (5832, 67110), (6480, 60399), (6711, 58320), (7290, 53688), (8748, 44740), (8948, 43740), (9720, 40266), (10935, 35792), (11185, 34992), (11664, 33555), (13422, 29160), (14580, 26844), (17496, 22370), (17896, 21870), (19440, 20133)]