51940020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78697}}^1$

素因数の和:78720

約数の個数: 48

約数和(自身を含む): 158655168

約数和(自身を除く): 106715148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 78697, 157394, 236091, 314788, 393485, 472182, 786970, 865667, 944364, 1180455, 1573940, 1731334, 2360910, 2597001, 3462668, 4328335, 4721820, 5194002, 8656670, 10388004, 12985005, 17313340, 25970010, 51940020]

約数ペア:

[(1, 51940020), (2, 25970010), (3, 17313340), (4, 12985005), (5, 10388004), (6, 8656670), (10, 5194002), (11, 4721820), (12, 4328335), (15, 3462668), (20, 2597001), (22, 2360910), (30, 1731334), (33, 1573940), (44, 1180455), (55, 944364), (60, 865667), (66, 786970), (110, 472182), (132, 393485), (165, 314788), (220, 236091), (330, 157394), (660, 78697)]