66845940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{159157}}^1$

素因数の和:159176

約数の個数: 48

約数和(自身を含む): 213908352

約数和(自身を除く): 147062412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 159157, 318314, 477471, 636628, 795785, 954942, 1114099, 1591570, 1909884, 2228198, 2387355, 3183140, 3342297, 4456396, 4774710, 5570495, 6684594, 9549420, 11140990, 13369188, 16711485, 22281980, 33422970, 66845940]

約数ペア:

[(1, 66845940), (2, 33422970), (3, 22281980), (4, 16711485), (5, 13369188), (6, 11140990), (7, 9549420), (10, 6684594), (12, 5570495), (14, 4774710), (15, 4456396), (20, 3342297), (21, 3183140), (28, 2387355), (30, 2228198), (35, 1909884), (42, 1591570), (60, 1114099), (70, 954942), (84, 795785), (105, 636628), (140, 477471), (210, 318314), (420, 159157)]