220685920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:717

約数の個数: 192

約数和(自身を含む): 670602240

約数和(自身を除く): 449916320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 160, 161, 182, 184, 208, 224, 230, 260, 280, 299, 322, 364, 368, 416, 455, 460, 520, 560, 598, 644, 659, 728, 736, 805, 910, 920, 1040, 1120, 1196, 1288, 1318, 1456, 1495, 1610, 1820, 1840, 2080, 2093, 2392, 2576, 2636, 2912, 2990, 3220, 3295, 3640, 3680, 4186, 4613, 4784, 5152, 5272, 5980, 6440, 6590, 7280, 8372, 8567, 9226, 9568, 10465, 10544, 11960, 12880, 13180, 14560, 15157, 16744, 17134, 18452, 20930, 21088, 23065, 23920, 25760, 26360, 30314, 33488, 34268, 36904, 41860, 42835, 46130, 47840, 52720, 59969, 60628, 66976, 68536, 73808, 75785, 83720, 85670, 92260, 105440, 106099, 119938, 121256, 137072, 147616, 151570, 167440, 171340, 184520, 197041, 212198, 239876, 242512, 274144, 299845, 303140, 334880, 342680, 369040, 394082, 424396, 479752, 485024, 530495, 599690, 606280, 685360, 738080, 788164, 848792, 959504, 985205, 1060990, 1199380, 1212560, 1370720, 1379287, 1576328, 1697584, 1919008, 1970410, 2121980, 2398760, 2425120, 2758574, 3152656, 3395168, 3940820, 4243960, 4797520, 5517148, 6305312, 6896435, 7881640, 8487920, 9595040, 11034296, 13792870, 15763280, 16975840, 22068592, 27585740, 31526560, 44137184, 55171480, 110342960, 220685920]

約数ペア:

[(1, 220685920), (2, 110342960), (4, 55171480), (5, 44137184), (7, 31526560), (8, 27585740), (10, 22068592), (13, 16975840), (14, 15763280), (16, 13792870), (20, 11034296), (23, 9595040), (26, 8487920), (28, 7881640), (32, 6896435), (35, 6305312), (40, 5517148), (46, 4797520), (52, 4243960), (56, 3940820), (65, 3395168), (70, 3152656), (80, 2758574), (91, 2425120), (92, 2398760), (104, 2121980), (112, 1970410), (115, 1919008), (130, 1697584), (140, 1576328), (160, 1379287), (161, 1370720), (182, 1212560), (184, 1199380), (208, 1060990), (224, 985205), (230, 959504), (260, 848792), (280, 788164), (299, 738080), (322, 685360), (364, 606280), (368, 599690), (416, 530495), (455, 485024), (460, 479752), (520, 424396), (560, 394082), (598, 369040), (644, 342680), (659, 334880), (728, 303140), (736, 299845), (805, 274144), (910, 242512), (920, 239876), (1040, 212198), (1120, 197041), (1196, 184520), (1288, 171340), (1318, 167440), (1456, 151570), (1495, 147616), (1610, 137072), (1820, 121256), (1840, 119938), (2080, 106099), (2093, 105440), (2392, 92260), (2576, 85670), (2636, 83720), (2912, 75785), (2990, 73808), (3220, 68536), (3295, 66976), (3640, 60628), (3680, 59969), (4186, 52720), (4613, 47840), (4784, 46130), (5152, 42835), (5272, 41860), (5980, 36904), (6440, 34268), (6590, 33488), (7280, 30314), (8372, 26360), (8567, 25760), (9226, 23920), (9568, 23065), (10465, 21088), (10544, 20930), (11960, 18452), (12880, 17134), (13180, 16744), (14560, 15157)]