218731520

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:408

約数の個数: 176

約数和(自身を含む): 636698880

約数和(自身を除く): 417967360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 359, 448, 476, 512, 544, 560, 595, 640, 680, 718, 896, 952, 1024, 1088, 1120, 1190, 1280, 1360, 1436, 1792, 1795, 1904, 2176, 2240, 2380, 2513, 2560, 2720, 2872, 3584, 3590, 3808, 4352, 4480, 4760, 5026, 5120, 5440, 5744, 6103, 7168, 7180, 7616, 8704, 8960, 9520, 10052, 10880, 11488, 12206, 12565, 14360, 15232, 17408, 17920, 19040, 20104, 21760, 22976, 24412, 25130, 28720, 30464, 30515, 35840, 38080, 40208, 42721, 43520, 45952, 48824, 50260, 57440, 60928, 61030, 76160, 80416, 85442, 87040, 91904, 97648, 100520, 114880, 121856, 122060, 152320, 160832, 170884, 183808, 195296, 201040, 213605, 229760, 244120, 304640, 321664, 341768, 367616, 390592, 402080, 427210, 459520, 488240, 609280, 643328, 683536, 781184, 804160, 854420, 919040, 976480, 1286656, 1367072, 1562368, 1608320, 1708840, 1838080, 1952960, 2573312, 2734144, 3124736, 3216640, 3417680, 3905920, 5468288, 6249472, 6433280, 6835360, 7811840, 10936576, 12866560, 13670720, 15623680, 21873152, 27341440, 31247360, 43746304, 54682880, 109365760, 218731520]

約数ペア:

[(1, 218731520), (2, 109365760), (4, 54682880), (5, 43746304), (7, 31247360), (8, 27341440), (10, 21873152), (14, 15623680), (16, 13670720), (17, 12866560), (20, 10936576), (28, 7811840), (32, 6835360), (34, 6433280), (35, 6249472), (40, 5468288), (56, 3905920), (64, 3417680), (68, 3216640), (70, 3124736), (80, 2734144), (85, 2573312), (112, 1952960), (119, 1838080), (128, 1708840), (136, 1608320), (140, 1562368), (160, 1367072), (170, 1286656), (224, 976480), (238, 919040), (256, 854420), (272, 804160), (280, 781184), (320, 683536), (340, 643328), (359, 609280), (448, 488240), (476, 459520), (512, 427210), (544, 402080), (560, 390592), (595, 367616), (640, 341768), (680, 321664), (718, 304640), (896, 244120), (952, 229760), (1024, 213605), (1088, 201040), (1120, 195296), (1190, 183808), (1280, 170884), (1360, 160832), (1436, 152320), (1792, 122060), (1795, 121856), (1904, 114880), (2176, 100520), (2240, 97648), (2380, 91904), (2513, 87040), (2560, 85442), (2720, 80416), (2872, 76160), (3584, 61030), (3590, 60928), (3808, 57440), (4352, 50260), (4480, 48824), (4760, 45952), (5026, 43520), (5120, 42721), (5440, 40208), (5744, 38080), (6103, 35840), (7168, 30515), (7180, 30464), (7616, 28720), (8704, 25130), (8960, 24412), (9520, 22976), (10052, 21760), (10880, 20104), (11488, 19040), (12206, 17920), (12565, 17408), (14360, 15232)]