247146720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{514889}}^1$

素因数の和:514907

約数の個数: 48

約数和(自身を含む): 778513680

約数和(自身を除く): 531366960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 514889, 1029778, 1544667, 2059556, 2574445, 3089334, 4119112, 5148890, 6178668, 7723335, 8238224, 10297780, 12357336, 15446670, 16476448, 20595560, 24714672, 30893340, 41191120, 49429344, 61786680, 82382240, 123573360, 247146720]

約数ペア:

[(1, 247146720), (2, 123573360), (3, 82382240), (4, 61786680), (5, 49429344), (6, 41191120), (8, 30893340), (10, 24714672), (12, 20595560), (15, 16476448), (16, 15446670), (20, 12357336), (24, 10297780), (30, 8238224), (32, 7723335), (40, 6178668), (48, 5148890), (60, 4119112), (80, 3089334), (96, 2574445), (120, 2059556), (160, 1544667), (240, 1029778), (480, 514889)]