1278839340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{789407}}^1$

素因数の和:789428

約数の個数: 60

約数和(自身を含む): 4011771456

約数和(自身を除く): 2732932116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 789407, 1578814, 2368221, 3157628, 3947035, 4736442, 7104663, 7894070, 9472884, 11841105, 14209326, 15788140, 21313989, 23682210, 28418652, 35523315, 42627978, 47364420, 63941967, 71046630, 85255956, 106569945, 127883934, 142093260, 213139890, 255767868, 319709835, 426279780, 639419670, 1278839340]

約数ペア:

[(1, 1278839340), (2, 639419670), (3, 426279780), (4, 319709835), (5, 255767868), (6, 213139890), (9, 142093260), (10, 127883934), (12, 106569945), (15, 85255956), (18, 71046630), (20, 63941967), (27, 47364420), (30, 42627978), (36, 35523315), (45, 28418652), (54, 23682210), (60, 21313989), (81, 15788140), (90, 14209326), (108, 11841105), (135, 9472884), (162, 7894070), (180, 7104663), (270, 4736442), (324, 3947035), (405, 3157628), (540, 2368221), (810, 1578814), (1620, 789407)]