1291223820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{154823}}^1$

素因数の和:154974

約数の個数: 48

約数和(自身を含む): 3641460480

約数和(自身を除く): 2350236660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 154823, 309646, 464469, 619292, 774115, 928938, 1548230, 1857876, 2322345, 3096460, 4644690, 9289380, 21520397, 43040794, 64561191, 86081588, 107601985, 129122382, 215203970, 258244764, 322805955, 430407940, 645611910, 1291223820]

約数ペア:

[(1, 1291223820), (2, 645611910), (3, 430407940), (4, 322805955), (5, 258244764), (6, 215203970), (10, 129122382), (12, 107601985), (15, 86081588), (20, 64561191), (30, 43040794), (60, 21520397), (139, 9289380), (278, 4644690), (417, 3096460), (556, 2322345), (695, 1857876), (834, 1548230), (1390, 928938), (1668, 774115), (2085, 619292), (2780, 464469), (4170, 309646), (8340, 154823)]