1261475760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{41387}}^1$

素因数の和:41530

約数の個数: 80

約数和(自身を含む): 3941462016

約数和(自身を除く): 2679986256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 30480, 41387, 82774, 124161, 165548, 206935, 248322, 331096, 413870, 496644, 620805, 662192, 827740, 993288, 1241610, 1655480, 1986576, 2483220, 3310960, 4966440, 5256149, 9932880, 10512298, 15768447, 21024596, 26280745, 31536894, 42049192, 52561490, 63073788, 78842235, 84098384, 105122980, 126147576, 157684470, 210245960, 252295152, 315368940, 420491920, 630737880, 1261475760]

約数ペア:

[(1, 1261475760), (2, 630737880), (3, 420491920), (4, 315368940), (5, 252295152), (6, 210245960), (8, 157684470), (10, 126147576), (12, 105122980), (15, 84098384), (16, 78842235), (20, 63073788), (24, 52561490), (30, 42049192), (40, 31536894), (48, 26280745), (60, 21024596), (80, 15768447), (120, 10512298), (127, 9932880), (240, 5256149), (254, 4966440), (381, 3310960), (508, 2483220), (635, 1986576), (762, 1655480), (1016, 1241610), (1270, 993288), (1524, 827740), (1905, 662192), (2032, 620805), (2540, 496644), (3048, 413870), (3810, 331096), (5080, 248322), (6096, 206935), (7620, 165548), (10160, 124161), (15240, 82774), (30480, 41387)]