61217940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{145757}}^1$

素因数の和:145776

約数の個数: 48

約数和(自身を含む): 195898752

約数和(自身を除く): 134680812

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, 145757, 291514, 437271, 583028, 728785, 874542, 1020299, 1457570, 1749084, 2040598, 2186355, 2915140, 3060897, 4081196, 4372710, 5101495, 6121794, 8745420, 10202990, 12243588, 15304485, 20405980, 30608970, 61217940]

約数ペア:

[(1, 61217940), (2, 30608970), (3, 20405980), (4, 15304485), (5, 12243588), (6, 10202990), (7, 8745420), (10, 6121794), (12, 5101495), (14, 4372710), (15, 4081196), (20, 3060897), (21, 2915140), (28, 2186355), (30, 2040598), (35, 1749084), (42, 1457570), (60, 1020299), (70, 874542), (84, 728785), (105, 583028), (140, 437271), (210, 291514), (420, 145757)]