218619720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55207}}^1$

素因数の和:55235

約数の個数: 96

約数和(自身を含む): 775120320

約数和(自身を除く): 556500600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 55207, 110414, 165621, 220828, 276035, 331242, 441656, 496863, 552070, 607277, 662484, 828105, 993726, 1104140, 1214554, 1324968, 1656210, 1821831, 1987452, 2208280, 2429108, 2484315, 3036385, 3312420, 3643662, 3974904, 4858216, 4968630, 5465493, 6072770, 6624840, 7287324, 9109155, 9937260, 10930986, 12145540, 14574648, 18218310, 19874520, 21861972, 24291080, 27327465, 36436620, 43723944, 54654930, 72873240, 109309860, 218619720]

約数ペア:

[(1, 218619720), (2, 109309860), (3, 72873240), (4, 54654930), (5, 43723944), (6, 36436620), (8, 27327465), (9, 24291080), (10, 21861972), (11, 19874520), (12, 18218310), (15, 14574648), (18, 12145540), (20, 10930986), (22, 9937260), (24, 9109155), (30, 7287324), (33, 6624840), (36, 6072770), (40, 5465493), (44, 4968630), (45, 4858216), (55, 3974904), (60, 3643662), (66, 3312420), (72, 3036385), (88, 2484315), (90, 2429108), (99, 2208280), (110, 1987452), (120, 1821831), (132, 1656210), (165, 1324968), (180, 1214554), (198, 1104140), (220, 993726), (264, 828105), (330, 662484), (360, 607277), (396, 552070), (440, 496863), (495, 441656), (660, 331242), (792, 276035), (990, 220828), (1320, 165621), (1980, 110414), (3960, 55207)]