81628920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1151}}^1$

素因数の和:1365

約数の個数: 96

約数和(自身を含む): 266872320

約数和(自身を除く): 185243400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 360, 394, 591, 788, 985, 1151, 1182, 1576, 1773, 1970, 2302, 2364, 2955, 3453, 3546, 3940, 4604, 4728, 5755, 5910, 6906, 7092, 7880, 8865, 9208, 10359, 11510, 11820, 13812, 14184, 17265, 17730, 20718, 23020, 23640, 27624, 34530, 35460, 41436, 46040, 51795, 69060, 70920, 82872, 103590, 138120, 207180, 226747, 414360, 453494, 680241, 906988, 1133735, 1360482, 1813976, 2040723, 2267470, 2720964, 3401205, 4081446, 4534940, 5441928, 6802410, 8162892, 9069880, 10203615, 13604820, 16325784, 20407230, 27209640, 40814460, 81628920]

約数ペア:

[(1, 81628920), (2, 40814460), (3, 27209640), (4, 20407230), (5, 16325784), (6, 13604820), (8, 10203615), (9, 9069880), (10, 8162892), (12, 6802410), (15, 5441928), (18, 4534940), (20, 4081446), (24, 3401205), (30, 2720964), (36, 2267470), (40, 2040723), (45, 1813976), (60, 1360482), (72, 1133735), (90, 906988), (120, 680241), (180, 453494), (197, 414360), (360, 226747), (394, 207180), (591, 138120), (788, 103590), (985, 82872), (1151, 70920), (1182, 69060), (1576, 51795), (1773, 46040), (1970, 41436), (2302, 35460), (2364, 34530), (2955, 27624), (3453, 23640), (3546, 23020), (3940, 20718), (4604, 17730), (4728, 17265), (5755, 14184), (5910, 13812), (6906, 11820), (7092, 11510), (7880, 10359), (8865, 9208)]