398880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{277}}^1$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 1366092

約数和(自身を除く): 967212

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, 277, 288, 360, 480, 554, 720, 831, 1108, 1385, 1440, 1662, 2216, 2493, 2770, 3324, 4155, 4432, 4986, 5540, 6648, 8310, 8864, 9972, 11080, 12465, 13296, 16620, 19944, 22160, 24930, 26592, 33240, 39888, 44320, 49860, 66480, 79776, 99720, 132960, 199440, 398880]

約数ペア:

[(1, 398880), (2, 199440), (3, 132960), (4, 99720), (5, 79776), (6, 66480), (8, 49860), (9, 44320), (10, 39888), (12, 33240), (15, 26592), (16, 24930), (18, 22160), (20, 19944), (24, 16620), (30, 13296), (32, 12465), (36, 11080), (40, 9972), (45, 8864), (48, 8310), (60, 6648), (72, 5540), (80, 4986), (90, 4432), (96, 4155), (120, 3324), (144, 2770), (160, 2493), (180, 2216), (240, 1662), (277, 1440), (288, 1385), (360, 1108), (480, 831), (554, 720)]