67718720

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:939

約数の個数: 56

約数和(自身を含む): 161958528

約数和(自身を除く): 94239808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 491, 862, 982, 1724, 1964, 2155, 2455, 3448, 3928, 4310, 4910, 6896, 7856, 8620, 9820, 13792, 15712, 17240, 19640, 27584, 31424, 34480, 39280, 68960, 78560, 137920, 157120, 211621, 423242, 846484, 1058105, 1692968, 2116210, 3385936, 4232420, 6771872, 8464840, 13543744, 16929680, 33859360, 67718720]

約数ペア:

[(1, 67718720), (2, 33859360), (4, 16929680), (5, 13543744), (8, 8464840), (10, 6771872), (16, 4232420), (20, 3385936), (32, 2116210), (40, 1692968), (64, 1058105), (80, 846484), (160, 423242), (320, 211621), (431, 157120), (491, 137920), (862, 78560), (982, 68960), (1724, 39280), (1964, 34480), (2155, 31424), (2455, 27584), (3448, 19640), (3928, 17240), (4310, 15712), (4910, 13792), (6896, 9820), (7856, 8620)]