855381520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4729}}^1$

素因数の和:4785

約数の個数: 160

約数和(自身を含む): 2533766400

約数和(自身を除く): 1678384880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 112, 119, 133, 136, 140, 152, 170, 190, 238, 266, 272, 280, 304, 323, 340, 380, 476, 532, 560, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1360, 1520, 1615, 1904, 2128, 2261, 2380, 2584, 2660, 3230, 4522, 4729, 4760, 5168, 5320, 6460, 9044, 9458, 9520, 10640, 11305, 12920, 18088, 18916, 22610, 23645, 25840, 33103, 36176, 37832, 45220, 47290, 66206, 75664, 80393, 89851, 90440, 94580, 132412, 160786, 165515, 179702, 180880, 189160, 264824, 321572, 331030, 359404, 378320, 401965, 449255, 529648, 562751, 628957, 643144, 662060, 718808, 803930, 898510, 1125502, 1257914, 1286288, 1324120, 1437616, 1527467, 1607860, 1797020, 2251004, 2515828, 2648240, 2813755, 3054934, 3144785, 3215720, 3594040, 4502008, 5031656, 5627510, 6109868, 6289570, 6431440, 7188080, 7637335, 9004016, 10063312, 10692269, 11255020, 12219736, 12579140, 15274670, 21384538, 22510040, 24439472, 25158280, 30549340, 42769076, 45020080, 50316560, 53461345, 61098680, 85538152, 106922690, 122197360, 171076304, 213845380, 427690760, 855381520]

約数ペア:

[(1, 855381520), (2, 427690760), (4, 213845380), (5, 171076304), (7, 122197360), (8, 106922690), (10, 85538152), (14, 61098680), (16, 53461345), (17, 50316560), (19, 45020080), (20, 42769076), (28, 30549340), (34, 25158280), (35, 24439472), (38, 22510040), (40, 21384538), (56, 15274670), (68, 12579140), (70, 12219736), (76, 11255020), (80, 10692269), (85, 10063312), (95, 9004016), (112, 7637335), (119, 7188080), (133, 6431440), (136, 6289570), (140, 6109868), (152, 5627510), (170, 5031656), (190, 4502008), (238, 3594040), (266, 3215720), (272, 3144785), (280, 3054934), (304, 2813755), (323, 2648240), (340, 2515828), (380, 2251004), (476, 1797020), (532, 1607860), (560, 1527467), (595, 1437616), (646, 1324120), (665, 1286288), (680, 1257914), (760, 1125502), (952, 898510), (1064, 803930), (1190, 718808), (1292, 662060), (1330, 643144), (1360, 628957), (1520, 562751), (1615, 529648), (1904, 449255), (2128, 401965), (2261, 378320), (2380, 359404), (2584, 331030), (2660, 321572), (3230, 264824), (4522, 189160), (4729, 180880), (4760, 179702), (5168, 165515), (5320, 160786), (6460, 132412), (9044, 94580), (9458, 90440), (9520, 89851), (10640, 80393), (11305, 75664), (12920, 66206), (18088, 47290), (18916, 45220), (22610, 37832), (23645, 36176), (25840, 33103)]