321398560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3931}}^1$

素因数の和:4026

約数の個数: 96

約数和(自身を含む): 879887232

約数和(自身を除く): 558488672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 365, 511, 560, 584, 730, 1022, 1120, 1168, 1460, 2044, 2336, 2555, 2920, 3931, 4088, 5110, 5840, 7862, 8176, 10220, 11680, 15724, 16352, 19655, 20440, 27517, 31448, 39310, 40880, 55034, 62896, 78620, 81760, 110068, 125792, 137585, 157240, 220136, 275170, 286963, 314480, 440272, 550340, 573926, 628960, 880544, 1100680, 1147852, 1434815, 2008741, 2201360, 2295704, 2869630, 4017482, 4402720, 4591408, 5739260, 8034964, 9182816, 10043705, 11478520, 16069928, 20087410, 22957040, 32139856, 40174820, 45914080, 64279712, 80349640, 160699280, 321398560]

約数ペア:

[(1, 321398560), (2, 160699280), (4, 80349640), (5, 64279712), (7, 45914080), (8, 40174820), (10, 32139856), (14, 22957040), (16, 20087410), (20, 16069928), (28, 11478520), (32, 10043705), (35, 9182816), (40, 8034964), (56, 5739260), (70, 4591408), (73, 4402720), (80, 4017482), (112, 2869630), (140, 2295704), (146, 2201360), (160, 2008741), (224, 1434815), (280, 1147852), (292, 1100680), (365, 880544), (511, 628960), (560, 573926), (584, 550340), (730, 440272), (1022, 314480), (1120, 286963), (1168, 275170), (1460, 220136), (2044, 157240), (2336, 137585), (2555, 125792), (2920, 110068), (3931, 81760), (4088, 78620), (5110, 62896), (5840, 55034), (7862, 40880), (8176, 39310), (10220, 31448), (11680, 27517), (15724, 20440), (16352, 19655)]