13221560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 19610440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 199, 220, 302, 398, 440, 604, 755, 796, 995, 1208, 1510, 1592, 1661, 1990, 2189, 3020, 3322, 3980, 4378, 6040, 6644, 7960, 8305, 8756, 10945, 13288, 16610, 17512, 21890, 30049, 33220, 43780, 60098, 66440, 87560, 120196, 150245, 240392, 300490, 330539, 600980, 661078, 1201960, 1322156, 1652695, 2644312, 3305390, 6610780, 13221560]

約数ペア:

[(1, 13221560), (2, 6610780), (4, 3305390), (5, 2644312), (8, 1652695), (10, 1322156), (11, 1201960), (20, 661078), (22, 600980), (40, 330539), (44, 300490), (55, 240392), (88, 150245), (110, 120196), (151, 87560), (199, 66440), (220, 60098), (302, 43780), (398, 33220), (440, 30049), (604, 21890), (755, 17512), (796, 16610), (995, 13288), (1208, 10945), (1510, 8756), (1592, 8305), (1661, 7960), (1990, 6644), (2189, 6040), (3020, 4378), (3322, 3980)]