128125890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20051}}^1$

素因数の和:20135

約数の個数: 48

約数和(自身を含む): 337836096

約数和(自身を除く): 209710206

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 20051, 40102, 60153, 100255, 120306, 180459, 200510, 300765, 360918, 601530, 902295, 1423621, 1804590, 2847242, 4270863, 7118105, 8541726, 12812589, 14236210, 21354315, 25625178, 42708630, 64062945, 128125890]

約数ペア:

[(1, 128125890), (2, 64062945), (3, 42708630), (5, 25625178), (6, 21354315), (9, 14236210), (10, 12812589), (15, 8541726), (18, 7118105), (30, 4270863), (45, 2847242), (71, 1804590), (90, 1423621), (142, 902295), (213, 601530), (355, 360918), (426, 300765), (639, 200510), (710, 180459), (1065, 120306), (1278, 100255), (2130, 60153), (3195, 40102), (6390, 20051)]