171808740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{983}}^1$

素因数の和:1969

約数の個数: 72

約数和(自身を含む): 522220608

約数和(自身を除く): 350411868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 971, 983, 1942, 1966, 2913, 2949, 3884, 3932, 4855, 4915, 5826, 5898, 8739, 8847, 9710, 9830, 11652, 11796, 14565, 14745, 17478, 17694, 19420, 19660, 29130, 29490, 34956, 35388, 43695, 44235, 58260, 58980, 87390, 88470, 174780, 176940, 954493, 1908986, 2863479, 3817972, 4772465, 5726958, 8590437, 9544930, 11453916, 14317395, 17180874, 19089860, 28634790, 34361748, 42952185, 57269580, 85904370, 171808740]

約数ペア:

[(1, 171808740), (2, 85904370), (3, 57269580), (4, 42952185), (5, 34361748), (6, 28634790), (9, 19089860), (10, 17180874), (12, 14317395), (15, 11453916), (18, 9544930), (20, 8590437), (30, 5726958), (36, 4772465), (45, 3817972), (60, 2863479), (90, 1908986), (180, 954493), (971, 176940), (983, 174780), (1942, 88470), (1966, 87390), (2913, 58980), (2949, 58260), (3884, 44235), (3932, 43695), (4855, 35388), (4915, 34956), (5826, 29490), (5898, 29130), (8739, 19660), (8847, 19420), (9710, 17694), (9830, 17478), (11652, 14745), (11796, 14565)]