21998880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15277}}^1$

素因数の和:15298

約数の個数: 72

約数和(自身を含む): 75076092

約数和(自身を除く): 53077212

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 15277, 30554, 45831, 61108, 76385, 91662, 122216, 137493, 152770, 183324, 229155, 244432, 274986, 305540, 366648, 458310, 488864, 549972, 611080, 687465, 733296, 916620, 1099944, 1222160, 1374930, 1466592, 1833240, 2199888, 2444320, 2749860, 3666480, 4399776, 5499720, 7332960, 10999440, 21998880]

約数ペア:

[(1, 21998880), (2, 10999440), (3, 7332960), (4, 5499720), (5, 4399776), (6, 3666480), (8, 2749860), (9, 2444320), (10, 2199888), (12, 1833240), (15, 1466592), (16, 1374930), (18, 1222160), (20, 1099944), (24, 916620), (30, 733296), (32, 687465), (36, 611080), (40, 549972), (45, 488864), (48, 458310), (60, 366648), (72, 305540), (80, 274986), (90, 244432), (96, 229155), (120, 183324), (144, 152770), (160, 137493), (180, 122216), (240, 91662), (288, 76385), (360, 61108), (480, 45831), (720, 30554), (1440, 15277)]