51191280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{1451}}^1$

素因数の和:1484

約数の個数: 180

約数和(自身を含む): 200123352

約数和(自身を除く): 148932072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1451, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2902, 2940, 3528, 3920, 4353, 4410, 5040, 5804, 5880, 7056, 7255, 8706, 8820, 10157, 11608, 11760, 13059, 14510, 17412, 17640, 20314, 21765, 23216, 26118, 29020, 30471, 34824, 35280, 40628, 43530, 50785, 52236, 58040, 60942, 65295, 69648, 71099, 81256, 87060, 91413, 101570, 104472, 116080, 121884, 130590, 142198, 152355, 162512, 174120, 182826, 203140, 208944, 213297, 243768, 261180, 284396, 304710, 348240, 355495, 365652, 406280, 426594, 457065, 487536, 522360, 568792, 609420, 639891, 710990, 731304, 812560, 853188, 914130, 1044720, 1066485, 1137584, 1218840, 1279782, 1421980, 1462608, 1706376, 1828260, 2132970, 2437680, 2559564, 2843960, 3199455, 3412752, 3656520, 4265940, 5119128, 5687920, 6398910, 7313040, 8531880, 10238256, 12797820, 17063760, 25595640, 51191280]

約数ペア:

[(1, 51191280), (2, 25595640), (3, 17063760), (4, 12797820), (5, 10238256), (6, 8531880), (7, 7313040), (8, 6398910), (9, 5687920), (10, 5119128), (12, 4265940), (14, 3656520), (15, 3412752), (16, 3199455), (18, 2843960), (20, 2559564), (21, 2437680), (24, 2132970), (28, 1828260), (30, 1706376), (35, 1462608), (36, 1421980), (40, 1279782), (42, 1218840), (45, 1137584), (48, 1066485), (49, 1044720), (56, 914130), (60, 853188), (63, 812560), (70, 731304), (72, 710990), (80, 639891), (84, 609420), (90, 568792), (98, 522360), (105, 487536), (112, 457065), (120, 426594), (126, 406280), (140, 365652), (144, 355495), (147, 348240), (168, 304710), (180, 284396), (196, 261180), (210, 243768), (240, 213297), (245, 208944), (252, 203140), (280, 182826), (294, 174120), (315, 162512), (336, 152355), (360, 142198), (392, 130590), (420, 121884), (441, 116080), (490, 104472), (504, 101570), (560, 91413), (588, 87060), (630, 81256), (720, 71099), (735, 69648), (784, 65295), (840, 60942), (882, 58040), (980, 52236), (1008, 50785), (1176, 43530), (1260, 40628), (1451, 35280), (1470, 34824), (1680, 30471), (1764, 29020), (1960, 26118), (2205, 23216), (2352, 21765), (2520, 20314), (2902, 17640), (2940, 17412), (3528, 14510), (3920, 13059), (4353, 11760), (4410, 11608), (5040, 10157), (5804, 8820), (5880, 8706), (7056, 7255)]