84940020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42899}}^1$

素因数の和:42925

約数の個数: 72

約数和(自身を含む): 281080800

約数和(自身を除く): 196140780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 42899, 85798, 128697, 171596, 214495, 257394, 386091, 428990, 471889, 514788, 643485, 772182, 857980, 943778, 1286970, 1415667, 1544364, 1887556, 1930455, 2359445, 2573940, 2831334, 3860910, 4247001, 4718890, 5662668, 7078335, 7721820, 8494002, 9437780, 14156670, 16988004, 21235005, 28313340, 42470010, 84940020]

約数ペア:

[(1, 84940020), (2, 42470010), (3, 28313340), (4, 21235005), (5, 16988004), (6, 14156670), (9, 9437780), (10, 8494002), (11, 7721820), (12, 7078335), (15, 5662668), (18, 4718890), (20, 4247001), (22, 3860910), (30, 2831334), (33, 2573940), (36, 2359445), (44, 1930455), (45, 1887556), (55, 1544364), (60, 1415667), (66, 1286970), (90, 943778), (99, 857980), (110, 772182), (132, 643485), (165, 514788), (180, 471889), (198, 428990), (220, 386091), (330, 257394), (396, 214495), (495, 171596), (660, 128697), (990, 85798), (1980, 42899)]