6410720

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 15331680

約数和(自身を除く): 8920960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 389, 412, 515, 778, 824, 1030, 1556, 1648, 1945, 2060, 3112, 3296, 3890, 4120, 6224, 7780, 8240, 12448, 15560, 16480, 31120, 40067, 62240, 80134, 160268, 200335, 320536, 400670, 641072, 801340, 1282144, 1602680, 3205360, 6410720]

約数ペア:

[(1, 6410720), (2, 3205360), (4, 1602680), (5, 1282144), (8, 801340), (10, 641072), (16, 400670), (20, 320536), (32, 200335), (40, 160268), (80, 80134), (103, 62240), (160, 40067), (206, 31120), (389, 16480), (412, 15560), (515, 12448), (778, 8240), (824, 7780), (1030, 6224), (1556, 4120), (1648, 3890), (1945, 3296), (2060, 3112)]