81489807720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226360577}}^1$

素因数の和:226360594

約数の個数: 48

約数和(自身を含む): 264841876260

約数和(自身を除く): 183352068540

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, 360, 226360577, 452721154, 679081731, 905442308, 1131802885, 1358163462, 1810884616, 2037245193, 2263605770, 2716326924, 3395408655, 4074490386, 4527211540, 5432653848, 6790817310, 8148980772, 9054423080, 10186225965, 13581634620, 16297961544, 20372451930, 27163269240, 40744903860, 81489807720]

約数ペア:

[(1, 81489807720), (2, 40744903860), (3, 27163269240), (4, 20372451930), (5, 16297961544), (6, 13581634620), (8, 10186225965), (9, 9054423080), (10, 8148980772), (12, 6790817310), (15, 5432653848), (18, 4527211540), (20, 4074490386), (24, 3395408655), (30, 2716326924), (36, 2263605770), (40, 2037245193), (45, 1810884616), (60, 1358163462), (72, 1131802885), (90, 905442308), (120, 679081731), (180, 452721154), (360, 226360577)]