261451440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2099}}^1$

素因数の和:2291

約数の個数: 120

約数和(自身を含む): 883537200

約数和(自身を除く): 622085760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 173, 180, 240, 346, 360, 519, 692, 720, 865, 1038, 1384, 1557, 1730, 2076, 2099, 2595, 2768, 3114, 3460, 4152, 4198, 5190, 6228, 6297, 6920, 7785, 8304, 8396, 10380, 10495, 12456, 12594, 13840, 15570, 16792, 18891, 20760, 20990, 24912, 25188, 31140, 31485, 33584, 37782, 41520, 41980, 50376, 62280, 62970, 75564, 83960, 94455, 100752, 124560, 125940, 151128, 167920, 188910, 251880, 302256, 363127, 377820, 503760, 726254, 755640, 1089381, 1452508, 1511280, 1815635, 2178762, 2905016, 3268143, 3631270, 4357524, 5446905, 5810032, 6536286, 7262540, 8715048, 10893810, 13072572, 14525080, 16340715, 17430096, 21787620, 26145144, 29050160, 32681430, 43575240, 52290288, 65362860, 87150480, 130725720, 261451440]

約数ペア:

[(1, 261451440), (2, 130725720), (3, 87150480), (4, 65362860), (5, 52290288), (6, 43575240), (8, 32681430), (9, 29050160), (10, 26145144), (12, 21787620), (15, 17430096), (16, 16340715), (18, 14525080), (20, 13072572), (24, 10893810), (30, 8715048), (36, 7262540), (40, 6536286), (45, 5810032), (48, 5446905), (60, 4357524), (72, 3631270), (80, 3268143), (90, 2905016), (120, 2178762), (144, 1815635), (173, 1511280), (180, 1452508), (240, 1089381), (346, 755640), (360, 726254), (519, 503760), (692, 377820), (720, 363127), (865, 302256), (1038, 251880), (1384, 188910), (1557, 167920), (1730, 151128), (2076, 125940), (2099, 124560), (2595, 100752), (2768, 94455), (3114, 83960), (3460, 75564), (4152, 62970), (4198, 62280), (5190, 50376), (6228, 41980), (6297, 41520), (6920, 37782), (7785, 33584), (8304, 31485), (8396, 31140), (10380, 25188), (10495, 24912), (12456, 20990), (12594, 20760), (13840, 18891), (15570, 16792)]