13180140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 41081040

約数和(自身を除く): 27900900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 1979, 2220, 3330, 3958, 5937, 6660, 7916, 9895, 11874, 17811, 19790, 23748, 29685, 35622, 39580, 59370, 71244, 73223, 89055, 118740, 146446, 178110, 219669, 292892, 356220, 366115, 439338, 659007, 732230, 878676, 1098345, 1318014, 1464460, 2196690, 2636028, 3295035, 4393380, 6590070, 13180140]

約数ペア:

[(1, 13180140), (2, 6590070), (3, 4393380), (4, 3295035), (5, 2636028), (6, 2196690), (9, 1464460), (10, 1318014), (12, 1098345), (15, 878676), (18, 732230), (20, 659007), (30, 439338), (36, 366115), (37, 356220), (45, 292892), (60, 219669), (74, 178110), (90, 146446), (111, 118740), (148, 89055), (180, 73223), (185, 71244), (222, 59370), (333, 39580), (370, 35622), (444, 29685), (555, 23748), (666, 19790), (740, 17811), (1110, 11874), (1332, 9895), (1665, 7916), (1979, 6660), (2220, 5937), (3330, 3958)]