257966640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{119429}}^1$

素因数の和:119451

約数の個数: 80

約数和(自身を含む): 888559200

約数和(自身を除く): 630592560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 119429, 238858, 358287, 477716, 597145, 716574, 955432, 1074861, 1194290, 1433148, 1791435, 1910864, 2149722, 2388580, 2866296, 3224583, 3582870, 4299444, 4777160, 5374305, 5732592, 6449166, 7165740, 8598888, 9554320, 10748610, 12898332, 14331480, 16122915, 17197776, 21497220, 25796664, 28662960, 32245830, 42994440, 51593328, 64491660, 85988880, 128983320, 257966640]

約数ペア:

[(1, 257966640), (2, 128983320), (3, 85988880), (4, 64491660), (5, 51593328), (6, 42994440), (8, 32245830), (9, 28662960), (10, 25796664), (12, 21497220), (15, 17197776), (16, 16122915), (18, 14331480), (20, 12898332), (24, 10748610), (27, 9554320), (30, 8598888), (36, 7165740), (40, 6449166), (45, 5732592), (48, 5374305), (54, 4777160), (60, 4299444), (72, 3582870), (80, 3224583), (90, 2866296), (108, 2388580), (120, 2149722), (135, 1910864), (144, 1791435), (180, 1433148), (216, 1194290), (240, 1074861), (270, 955432), (360, 716574), (432, 597145), (540, 477716), (720, 358287), (1080, 238858), (2160, 119429)]