15691480940

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{907}}^1\times {\mathrm{1553}}^1$

素因数の和:3026

約数の個数: 48

約数和(自身を含む): 33068945952

約数和(自身を除く): 17377465012

約数列:

[1, 2, 4, 5, 10, 20, 557, 907, 1114, 1553, 1814, 2228, 2785, 3106, 3628, 4535, 5570, 6212, 7765, 9070, 11140, 15530, 18140, 31060, 505199, 865021, 1010398, 1408571, 1730042, 2020796, 2525995, 2817142, 3460084, 4325105, 5051990, 5634284, 7042855, 8650210, 10103980, 14085710, 17300420, 28171420, 784574047, 1569148094, 3138296188, 3922870235, 7845740470, 15691480940]

約数ペア:

[(1, 15691480940), (2, 7845740470), (4, 3922870235), (5, 3138296188), (10, 1569148094), (20, 784574047), (557, 28171420), (907, 17300420), (1114, 14085710), (1553, 10103980), (1814, 8650210), (2228, 7042855), (2785, 5634284), (3106, 5051990), (3628, 4325105), (4535, 3460084), (5570, 2817142), (6212, 2525995), (7765, 2020796), (9070, 1730042), (11140, 1408571), (15530, 1010398), (18140, 865021), (31060, 505199)]