66757960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 158112000

約数和(自身を除く): 91354040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 149, 184, 230, 298, 460, 487, 596, 745, 920, 974, 1192, 1490, 1948, 2435, 2980, 3427, 3896, 4870, 5960, 6854, 9740, 11201, 13708, 17135, 19480, 22402, 27416, 34270, 44804, 56005, 68540, 72563, 89608, 112010, 137080, 145126, 224020, 290252, 362815, 448040, 580504, 725630, 1451260, 1668949, 2902520, 3337898, 6675796, 8344745, 13351592, 16689490, 33378980, 66757960]

約数ペア:

[(1, 66757960), (2, 33378980), (4, 16689490), (5, 13351592), (8, 8344745), (10, 6675796), (20, 3337898), (23, 2902520), (40, 1668949), (46, 1451260), (92, 725630), (115, 580504), (149, 448040), (184, 362815), (230, 290252), (298, 224020), (460, 145126), (487, 137080), (596, 112010), (745, 89608), (920, 72563), (974, 68540), (1192, 56005), (1490, 44804), (1948, 34270), (2435, 27416), (2980, 22402), (3427, 19480), (3896, 17135), (4870, 13708), (5960, 11201), (6854, 9740)]