919138920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2437}}^1$

素因数の和:2907

約数の個数: 128

約数和(自身を含む): 3159648000

約数和(自身を除く): 2240509080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 449, 840, 898, 1347, 1796, 2245, 2437, 2694, 3143, 3592, 4490, 4874, 5388, 6286, 6735, 7311, 8980, 9429, 9748, 10776, 12185, 12572, 13470, 14622, 15715, 17059, 17960, 18858, 19496, 24370, 25144, 26940, 29244, 31430, 34118, 36555, 37716, 47145, 48740, 51177, 53880, 58488, 62860, 68236, 73110, 75432, 85295, 94290, 97480, 102354, 125720, 136472, 146220, 170590, 188580, 204708, 255885, 292440, 341180, 377160, 409416, 511770, 682360, 1023540, 1094213, 2047080, 2188426, 3282639, 4376852, 5471065, 6565278, 7659491, 8753704, 10942130, 13130556, 15318982, 16413195, 21884260, 22978473, 26261112, 30637964, 32826390, 38297455, 43768520, 45956946, 61275928, 65652780, 76594910, 91913892, 114892365, 131305560, 153189820, 183827784, 229784730, 306379640, 459569460, 919138920]

約数ペア:

[(1, 919138920), (2, 459569460), (3, 306379640), (4, 229784730), (5, 183827784), (6, 153189820), (7, 131305560), (8, 114892365), (10, 91913892), (12, 76594910), (14, 65652780), (15, 61275928), (20, 45956946), (21, 43768520), (24, 38297455), (28, 32826390), (30, 30637964), (35, 26261112), (40, 22978473), (42, 21884260), (56, 16413195), (60, 15318982), (70, 13130556), (84, 10942130), (105, 8753704), (120, 7659491), (140, 6565278), (168, 5471065), (210, 4376852), (280, 3282639), (420, 2188426), (449, 2047080), (840, 1094213), (898, 1023540), (1347, 682360), (1796, 511770), (2245, 409416), (2437, 377160), (2694, 341180), (3143, 292440), (3592, 255885), (4490, 204708), (4874, 188580), (5388, 170590), (6286, 146220), (6735, 136472), (7311, 125720), (8980, 102354), (9429, 97480), (9748, 94290), (10776, 85295), (12185, 75432), (12572, 73110), (13470, 68236), (14622, 62860), (15715, 58488), (17059, 53880), (17960, 51177), (18858, 48740), (19496, 47145), (24370, 37716), (25144, 36555), (26940, 34118), (29244, 31430)]