1640761440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{7019}}^1$

素因数の和:7524

約数の個数: 96

約数和(自身を含む): 5179749120

約数和(自身を除く): 3538987680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 487, 974, 1461, 1948, 2435, 2922, 3896, 4870, 5844, 7019, 7305, 7792, 9740, 11688, 14038, 14610, 15584, 19480, 21057, 23376, 28076, 29220, 35095, 38960, 42114, 46752, 56152, 58440, 70190, 77920, 84228, 105285, 112304, 116880, 140380, 168456, 210570, 224608, 233760, 280760, 336912, 421140, 561520, 673824, 842280, 1123040, 1684560, 3369120, 3418253, 6836506, 10254759, 13673012, 17091265, 20509518, 27346024, 34182530, 41019036, 51273795, 54692048, 68365060, 82038072, 102547590, 109384096, 136730120, 164076144, 205095180, 273460240, 328152288, 410190360, 546920480, 820380720, 1640761440]

約数ペア:

[(1, 1640761440), (2, 820380720), (3, 546920480), (4, 410190360), (5, 328152288), (6, 273460240), (8, 205095180), (10, 164076144), (12, 136730120), (15, 109384096), (16, 102547590), (20, 82038072), (24, 68365060), (30, 54692048), (32, 51273795), (40, 41019036), (48, 34182530), (60, 27346024), (80, 20509518), (96, 17091265), (120, 13673012), (160, 10254759), (240, 6836506), (480, 3418253), (487, 3369120), (974, 1684560), (1461, 1123040), (1948, 842280), (2435, 673824), (2922, 561520), (3896, 421140), (4870, 336912), (5844, 280760), (7019, 233760), (7305, 224608), (7792, 210570), (9740, 168456), (11688, 140380), (14038, 116880), (14610, 112304), (15584, 105285), (19480, 84228), (21057, 77920), (23376, 70190), (28076, 58440), (29220, 56152), (35095, 46752), (38960, 42114)]