155991780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123803}}^1$

素因数の和:123825

約数の個数: 72

約数和(自身を含む): 540775872

約数和(自身を除く): 384784092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123803, 247606, 371409, 495212, 619015, 742818, 866621, 1114227, 1238030, 1485636, 1733242, 1857045, 2228454, 2476060, 2599863, 3466484, 3714090, 4333105, 4456908, 5199726, 5571135, 7428180, 7799589, 8666210, 10399452, 11142270, 12999315, 15599178, 17332420, 22284540, 25998630, 31198356, 38997945, 51997260, 77995890, 155991780]

約数ペア:

[(1, 155991780), (2, 77995890), (3, 51997260), (4, 38997945), (5, 31198356), (6, 25998630), (7, 22284540), (9, 17332420), (10, 15599178), (12, 12999315), (14, 11142270), (15, 10399452), (18, 8666210), (20, 7799589), (21, 7428180), (28, 5571135), (30, 5199726), (35, 4456908), (36, 4333105), (42, 3714090), (45, 3466484), (60, 2599863), (63, 2476060), (70, 2228454), (84, 1857045), (90, 1733242), (105, 1485636), (126, 1238030), (140, 1114227), (180, 866621), (210, 742818), (252, 619015), (315, 495212), (420, 371409), (630, 247606), (1260, 123803)]