8915460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1069}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 25166400

約数和(自身を除く): 16250940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1069, 1390, 1668, 2085, 2138, 2780, 3207, 4170, 4276, 5345, 6414, 8340, 10690, 12828, 16035, 21380, 32070, 64140, 148591, 297182, 445773, 594364, 742955, 891546, 1485910, 1783092, 2228865, 2971820, 4457730, 8915460]

約数ペア:

[(1, 8915460), (2, 4457730), (3, 2971820), (4, 2228865), (5, 1783092), (6, 1485910), (10, 891546), (12, 742955), (15, 594364), (20, 445773), (30, 297182), (60, 148591), (139, 64140), (278, 32070), (417, 21380), (556, 16035), (695, 12828), (834, 10690), (1069, 8340), (1390, 6414), (1668, 5345), (2085, 4276), (2138, 4170), (2780, 3207)]