221777920

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:73

約数の個数: 312

約数和(自身を含む): 705933144

約数和(自身を除く): 484155224

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 49, 52, 56, 64, 65, 68, 70, 80, 85, 91, 98, 104, 112, 119, 128, 130, 136, 140, 160, 170, 182, 196, 208, 221, 224, 238, 245, 256, 260, 272, 280, 320, 340, 364, 392, 416, 442, 448, 455, 476, 490, 512, 520, 544, 560, 595, 637, 640, 680, 728, 784, 832, 833, 884, 896, 910, 952, 980, 1024, 1040, 1088, 1105, 1120, 1190, 1274, 1280, 1360, 1456, 1547, 1568, 1664, 1666, 1768, 1792, 1820, 1904, 1960, 2048, 2080, 2176, 2210, 2240, 2380, 2548, 2560, 2720, 2912, 3094, 3136, 3185, 3328, 3332, 3536, 3584, 3640, 3808, 3920, 4096, 4160, 4165, 4352, 4420, 4480, 4760, 5096, 5120, 5440, 5824, 6188, 6272, 6370, 6656, 6664, 7072, 7168, 7280, 7616, 7735, 7840, 8320, 8330, 8704, 8840, 8960, 9520, 10192, 10240, 10829, 10880, 11648, 12376, 12544, 12740, 13312, 13328, 14144, 14336, 14560, 15232, 15470, 15680, 16640, 16660, 17408, 17680, 17920, 19040, 20384, 20480, 21658, 21760, 23296, 24752, 25088, 25480, 26624, 26656, 28288, 28672, 29120, 30464, 30940, 31360, 33280, 33320, 34816, 35360, 35840, 38080, 40768, 43316, 43520, 46592, 49504, 50176, 50960, 53248, 53312, 54145, 56576, 58240, 60928, 61880, 62720, 66560, 66640, 69632, 70720, 71680, 76160, 81536, 86632, 87040, 93184, 99008, 100352, 101920, 106624, 108290, 113152, 116480, 121856, 123760, 125440, 133120, 133280, 141440, 143360, 152320, 163072, 173264, 174080, 186368, 198016, 200704, 203840, 213248, 216580, 226304, 232960, 243712, 247520, 250880, 266240, 266560, 282880, 304640, 326144, 346528, 348160, 372736, 396032, 407680, 426496, 433160, 452608, 465920, 487424, 495040, 501760, 533120, 565760, 609280, 652288, 693056, 792064, 815360, 852992, 866320, 905216, 931840, 990080, 1003520, 1066240, 1131520, 1218560, 1304576, 1386112, 1584128, 1630720, 1705984, 1732640, 1863680, 1980160, 2132480, 2263040, 2437120, 2609152, 2772224, 3168256, 3261440, 3411968, 3465280, 3960320, 4264960, 4526080, 5544448, 6336512, 6522880, 6930560, 7920640, 8529920, 11088896, 13045760, 13861120, 15841280, 17059840, 22177792, 27722240, 31682560, 44355584, 55444480, 110888960, 221777920]

約数ペア:

[(1, 221777920), (2, 110888960), (4, 55444480), (5, 44355584), (7, 31682560), (8, 27722240), (10, 22177792), (13, 17059840), (14, 15841280), (16, 13861120), (17, 13045760), (20, 11088896), (26, 8529920), (28, 7920640), (32, 6930560), (34, 6522880), (35, 6336512), (40, 5544448), (49, 4526080), (52, 4264960), (56, 3960320), (64, 3465280), (65, 3411968), (68, 3261440), (70, 3168256), (80, 2772224), (85, 2609152), (91, 2437120), (98, 2263040), (104, 2132480), (112, 1980160), (119, 1863680), (128, 1732640), (130, 1705984), (136, 1630720), (140, 1584128), (160, 1386112), (170, 1304576), (182, 1218560), (196, 1131520), (208, 1066240), (221, 1003520), (224, 990080), (238, 931840), (245, 905216), (256, 866320), (260, 852992), (272, 815360), (280, 792064), (320, 693056), (340, 652288), (364, 609280), (392, 565760), (416, 533120), (442, 501760), (448, 495040), (455, 487424), (476, 465920), (490, 452608), (512, 433160), (520, 426496), (544, 407680), (560, 396032), (595, 372736), (637, 348160), (640, 346528), (680, 326144), (728, 304640), (784, 282880), (832, 266560), (833, 266240), (884, 250880), (896, 247520), (910, 243712), (952, 232960), (980, 226304), (1024, 216580), (1040, 213248), (1088, 203840), (1105, 200704), (1120, 198016), (1190, 186368), (1274, 174080), (1280, 173264), (1360, 163072), (1456, 152320), (1547, 143360), (1568, 141440), (1664, 133280), (1666, 133120), (1768, 125440), (1792, 123760), (1820, 121856), (1904, 116480), (1960, 113152), (2048, 108290), (2080, 106624), (2176, 101920), (2210, 100352), (2240, 99008), (2380, 93184), (2548, 87040), (2560, 86632), (2720, 81536), (2912, 76160), (3094, 71680), (3136, 70720), (3185, 69632), (3328, 66640), (3332, 66560), (3536, 62720), (3584, 61880), (3640, 60928), (3808, 58240), (3920, 56576), (4096, 54145), (4160, 53312), (4165, 53248), (4352, 50960), (4420, 50176), (4480, 49504), (4760, 46592), (5096, 43520), (5120, 43316), (5440, 40768), (5824, 38080), (6188, 35840), (6272, 35360), (6370, 34816), (6656, 33320), (6664, 33280), (7072, 31360), (7168, 30940), (7280, 30464), (7616, 29120), (7735, 28672), (7840, 28288), (8320, 26656), (8330, 26624), (8704, 25480), (8840, 25088), (8960, 24752), (9520, 23296), (10192, 21760), (10240, 21658), (10829, 20480), (10880, 20384), (11648, 19040), (12376, 17920), (12544, 17680), (12740, 17408), (13312, 16660), (13328, 16640), (14144, 15680), (14336, 15470), (14560, 15232)]