1649648640

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:748

約数の個数: 176

約数和(自身を含む): 5311719360

約数和(自身を除く): 3662070720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 211, 240, 256, 320, 384, 422, 480, 509, 512, 633, 640, 768, 844, 960, 1018, 1024, 1055, 1266, 1280, 1527, 1536, 1688, 1920, 2036, 2110, 2532, 2545, 2560, 3054, 3072, 3165, 3376, 3840, 4072, 4220, 5064, 5090, 5120, 6108, 6330, 6752, 7635, 7680, 8144, 8440, 10128, 10180, 12216, 12660, 13504, 15270, 15360, 16288, 16880, 20256, 20360, 24432, 25320, 27008, 30540, 32576, 33760, 40512, 40720, 48864, 50640, 54016, 61080, 65152, 67520, 81024, 81440, 97728, 101280, 107399, 108032, 122160, 130304, 135040, 162048, 162880, 195456, 202560, 214798, 216064, 244320, 260608, 270080, 322197, 324096, 325760, 390912, 405120, 429596, 488640, 521216, 536995, 540160, 644394, 648192, 651520, 781824, 810240, 859192, 977280, 1073990, 1080320, 1288788, 1303040, 1563648, 1610985, 1620480, 1718384, 1954560, 2147980, 2577576, 2606080, 3221970, 3240960, 3436768, 3909120, 4295960, 5155152, 6443940, 6873536, 7818240, 8591920, 10310304, 12887880, 13747072, 17183840, 20620608, 25775760, 27494144, 34367680, 41241216, 51551520, 54988288, 68735360, 82482432, 103103040, 109976576, 137470720, 164964864, 206206080, 274941440, 329929728, 412412160, 549882880, 824824320, 1649648640]

約数ペア:

[(1, 1649648640), (2, 824824320), (3, 549882880), (4, 412412160), (5, 329929728), (6, 274941440), (8, 206206080), (10, 164964864), (12, 137470720), (15, 109976576), (16, 103103040), (20, 82482432), (24, 68735360), (30, 54988288), (32, 51551520), (40, 41241216), (48, 34367680), (60, 27494144), (64, 25775760), (80, 20620608), (96, 17183840), (120, 13747072), (128, 12887880), (160, 10310304), (192, 8591920), (211, 7818240), (240, 6873536), (256, 6443940), (320, 5155152), (384, 4295960), (422, 3909120), (480, 3436768), (509, 3240960), (512, 3221970), (633, 2606080), (640, 2577576), (768, 2147980), (844, 1954560), (960, 1718384), (1018, 1620480), (1024, 1610985), (1055, 1563648), (1266, 1303040), (1280, 1288788), (1527, 1080320), (1536, 1073990), (1688, 977280), (1920, 859192), (2036, 810240), (2110, 781824), (2532, 651520), (2545, 648192), (2560, 644394), (3054, 540160), (3072, 536995), (3165, 521216), (3376, 488640), (3840, 429596), (4072, 405120), (4220, 390912), (5064, 325760), (5090, 324096), (5120, 322197), (6108, 270080), (6330, 260608), (6752, 244320), (7635, 216064), (7680, 214798), (8144, 202560), (8440, 195456), (10128, 162880), (10180, 162048), (12216, 135040), (12660, 130304), (13504, 122160), (15270, 108032), (15360, 107399), (16288, 101280), (16880, 97728), (20256, 81440), (20360, 81024), (24432, 67520), (25320, 65152), (27008, 61080), (30540, 54016), (32576, 50640), (33760, 48864), (40512, 40720)]