61720440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13901}}^1$

素因数の和:13952

約数の個数: 64

約数和(自身を含む): 190179360

約数和(自身を除く): 128458920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 13901, 27802, 41703, 55604, 69505, 83406, 111208, 139010, 166812, 208515, 278020, 333624, 417030, 514337, 556040, 834060, 1028674, 1543011, 1668120, 2057348, 2571685, 3086022, 4114696, 5143370, 6172044, 7715055, 10286740, 12344088, 15430110, 20573480, 30860220, 61720440]

約数ペア:

[(1, 61720440), (2, 30860220), (3, 20573480), (4, 15430110), (5, 12344088), (6, 10286740), (8, 7715055), (10, 6172044), (12, 5143370), (15, 4114696), (20, 3086022), (24, 2571685), (30, 2057348), (37, 1668120), (40, 1543011), (60, 1028674), (74, 834060), (111, 556040), (120, 514337), (148, 417030), (185, 333624), (222, 278020), (296, 208515), (370, 166812), (444, 139010), (555, 111208), (740, 83406), (888, 69505), (1110, 55604), (1480, 41703), (2220, 27802), (4440, 13901)]