640081008

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12451}}^1$

素因数の和:12492

約数の個数: 160

約数和(自身を含む): 2223429120

約数和(自身を除く): 1583348112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 84, 102, 108, 112, 119, 126, 136, 144, 153, 168, 189, 204, 216, 238, 252, 272, 306, 336, 357, 378, 408, 432, 459, 476, 504, 612, 714, 756, 816, 918, 952, 1008, 1071, 1224, 1428, 1512, 1836, 1904, 2142, 2448, 2856, 3024, 3213, 3672, 4284, 5712, 6426, 7344, 8568, 12451, 12852, 17136, 24902, 25704, 37353, 49804, 51408, 74706, 87157, 99608, 112059, 149412, 174314, 199216, 211667, 224118, 261471, 298824, 336177, 348628, 423334, 448236, 522942, 597648, 635001, 672354, 697256, 784413, 846668, 896472, 1045884, 1270002, 1344708, 1394512, 1481669, 1568826, 1693336, 1792944, 1905003, 2091768, 2353239, 2540004, 2689416, 2963338, 3137652, 3386672, 3810006, 4183536, 4445007, 4706478, 5080008, 5378832, 5715009, 5926676, 6275304, 7620012, 8890014, 9412956, 10160016, 11430018, 11853352, 12550608, 13335021, 15240024, 17780028, 18825912, 22860036, 23706704, 26670042, 30480048, 35560056, 37651824, 40005063, 45720072, 53340084, 71120112, 80010126, 91440144, 106680168, 160020252, 213360336, 320040504, 640081008]

約数ペア:

[(1, 640081008), (2, 320040504), (3, 213360336), (4, 160020252), (6, 106680168), (7, 91440144), (8, 80010126), (9, 71120112), (12, 53340084), (14, 45720072), (16, 40005063), (17, 37651824), (18, 35560056), (21, 30480048), (24, 26670042), (27, 23706704), (28, 22860036), (34, 18825912), (36, 17780028), (42, 15240024), (48, 13335021), (51, 12550608), (54, 11853352), (56, 11430018), (63, 10160016), (68, 9412956), (72, 8890014), (84, 7620012), (102, 6275304), (108, 5926676), (112, 5715009), (119, 5378832), (126, 5080008), (136, 4706478), (144, 4445007), (153, 4183536), (168, 3810006), (189, 3386672), (204, 3137652), (216, 2963338), (238, 2689416), (252, 2540004), (272, 2353239), (306, 2091768), (336, 1905003), (357, 1792944), (378, 1693336), (408, 1568826), (432, 1481669), (459, 1394512), (476, 1344708), (504, 1270002), (612, 1045884), (714, 896472), (756, 846668), (816, 784413), (918, 697256), (952, 672354), (1008, 635001), (1071, 597648), (1224, 522942), (1428, 448236), (1512, 423334), (1836, 348628), (1904, 336177), (2142, 298824), (2448, 261471), (2856, 224118), (3024, 211667), (3213, 199216), (3672, 174314), (4284, 149412), (5712, 112059), (6426, 99608), (7344, 87157), (8568, 74706), (12451, 51408), (12852, 49804), (17136, 37353), (24902, 25704)]