20177520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7643}}^1$

素因数の和:7670

約数の個数: 80

約数和(自身を含む): 68245632

約数和(自身を除く): 48068112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7643, 15286, 22929, 30572, 38215, 45858, 61144, 76430, 84073, 91716, 114645, 122288, 152860, 168146, 183432, 229290, 252219, 305720, 336292, 366864, 420365, 458580, 504438, 611440, 672584, 840730, 917160, 1008876, 1261095, 1345168, 1681460, 1834320, 2017752, 2522190, 3362920, 4035504, 5044380, 6725840, 10088760, 20177520]

約数ペア:

[(1, 20177520), (2, 10088760), (3, 6725840), (4, 5044380), (5, 4035504), (6, 3362920), (8, 2522190), (10, 2017752), (11, 1834320), (12, 1681460), (15, 1345168), (16, 1261095), (20, 1008876), (22, 917160), (24, 840730), (30, 672584), (33, 611440), (40, 504438), (44, 458580), (48, 420365), (55, 366864), (60, 336292), (66, 305720), (80, 252219), (88, 229290), (110, 183432), (120, 168146), (132, 152860), (165, 122288), (176, 114645), (220, 91716), (240, 84073), (264, 76430), (330, 61144), (440, 45858), (528, 38215), (660, 30572), (880, 22929), (1320, 15286), (2640, 7643)]