212571520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2112

約数の個数: 128

約数和(自身を含む): 606320640

約数和(自身を除く): 393749120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1288, 1472, 1610, 1840, 2063, 2240, 2576, 2944, 3220, 3680, 4126, 4480, 5152, 6440, 7360, 8252, 10304, 10315, 12880, 14441, 14720, 16504, 20608, 20630, 25760, 28882, 33008, 41260, 47449, 51520, 57764, 66016, 72205, 82520, 94898, 103040, 115528, 132032, 144410, 165040, 189796, 231056, 237245, 264064, 288820, 330080, 332143, 379592, 462112, 474490, 577640, 660160, 664286, 759184, 924224, 948980, 1155280, 1320320, 1328572, 1518368, 1660715, 1848448, 1897960, 2310560, 2657144, 3036736, 3321430, 3795920, 4621120, 5314288, 6073472, 6642860, 7591840, 9242240, 10628576, 13285720, 15183680, 21257152, 26571440, 30367360, 42514304, 53142880, 106285760, 212571520]

約数ペア:

[(1, 212571520), (2, 106285760), (4, 53142880), (5, 42514304), (7, 30367360), (8, 26571440), (10, 21257152), (14, 15183680), (16, 13285720), (20, 10628576), (23, 9242240), (28, 7591840), (32, 6642860), (35, 6073472), (40, 5314288), (46, 4621120), (56, 3795920), (64, 3321430), (70, 3036736), (80, 2657144), (92, 2310560), (112, 1897960), (115, 1848448), (128, 1660715), (140, 1518368), (160, 1328572), (161, 1320320), (184, 1155280), (224, 948980), (230, 924224), (280, 759184), (320, 664286), (322, 660160), (368, 577640), (448, 474490), (460, 462112), (560, 379592), (640, 332143), (644, 330080), (736, 288820), (805, 264064), (896, 237245), (920, 231056), (1120, 189796), (1288, 165040), (1472, 144410), (1610, 132032), (1840, 115528), (2063, 103040), (2240, 94898), (2576, 82520), (2944, 72205), (3220, 66016), (3680, 57764), (4126, 51520), (4480, 47449), (5152, 41260), (6440, 33008), (7360, 28882), (8252, 25760), (10304, 20630), (10315, 20608), (12880, 16504), (14441, 14720)]