278605920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3697}}^1$

素因数の和:3872

約数の個数: 96

約数和(自身を含む): 883437408

約数和(自身を除く): 604831488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 157, 160, 240, 314, 471, 480, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3697, 3768, 4710, 5024, 6280, 7394, 7536, 9420, 11091, 12560, 14788, 15072, 18485, 18840, 22182, 25120, 29576, 36970, 37680, 44364, 55455, 59152, 73940, 75360, 88728, 110910, 118304, 147880, 177456, 221820, 295760, 354912, 443640, 580429, 591520, 887280, 1160858, 1741287, 1774560, 2321716, 2902145, 3482574, 4643432, 5804290, 6965148, 8706435, 9286864, 11608580, 13930296, 17412870, 18573728, 23217160, 27860592, 34825740, 46434320, 55721184, 69651480, 92868640, 139302960, 278605920]

約数ペア:

[(1, 278605920), (2, 139302960), (3, 92868640), (4, 69651480), (5, 55721184), (6, 46434320), (8, 34825740), (10, 27860592), (12, 23217160), (15, 18573728), (16, 17412870), (20, 13930296), (24, 11608580), (30, 9286864), (32, 8706435), (40, 6965148), (48, 5804290), (60, 4643432), (80, 3482574), (96, 2902145), (120, 2321716), (157, 1774560), (160, 1741287), (240, 1160858), (314, 887280), (471, 591520), (480, 580429), (628, 443640), (785, 354912), (942, 295760), (1256, 221820), (1570, 177456), (1884, 147880), (2355, 118304), (2512, 110910), (3140, 88728), (3697, 75360), (3768, 73940), (4710, 59152), (5024, 55455), (6280, 44364), (7394, 37680), (7536, 36970), (9420, 29576), (11091, 25120), (12560, 22182), (14788, 18840), (15072, 18485)]