12720160

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 30373056

約数和(自身を除く): 17652896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 743, 856, 1070, 1486, 1712, 2140, 2972, 3424, 3715, 4280, 5944, 7430, 8560, 11888, 14860, 17120, 23776, 29720, 59440, 79501, 118880, 159002, 318004, 397505, 636008, 795010, 1272016, 1590020, 2544032, 3180040, 6360080, 12720160]

約数ペア:

[(1, 12720160), (2, 6360080), (4, 3180040), (5, 2544032), (8, 1590020), (10, 1272016), (16, 795010), (20, 636008), (32, 397505), (40, 318004), (80, 159002), (107, 118880), (160, 79501), (214, 59440), (428, 29720), (535, 23776), (743, 17120), (856, 14860), (1070, 11888), (1486, 8560), (1712, 7430), (2140, 5944), (2972, 4280), (3424, 3715)]