64940760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{180391}}^1$

素因数の和:180408

約数の個数: 48

約数和(自身を含む): 211058640

約数和(自身を除く): 146117880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 180391, 360782, 541173, 721564, 901955, 1082346, 1443128, 1623519, 1803910, 2164692, 2705865, 3247038, 3607820, 4329384, 5411730, 6494076, 7215640, 8117595, 10823460, 12988152, 16235190, 21646920, 32470380, 64940760]

約数ペア:

[(1, 64940760), (2, 32470380), (3, 21646920), (4, 16235190), (5, 12988152), (6, 10823460), (8, 8117595), (9, 7215640), (10, 6494076), (12, 5411730), (15, 4329384), (18, 3607820), (20, 3247038), (24, 2705865), (30, 2164692), (36, 1803910), (40, 1623519), (45, 1443128), (60, 1082346), (72, 901955), (90, 721564), (120, 541173), (180, 360782), (360, 180391)]