1236780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6871}}^1$

素因数の和:6886

約数の個数: 36

約数和(自身を含む): 3752112

約数和(自身を除く): 2515332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6871, 13742, 20613, 27484, 34355, 41226, 61839, 68710, 82452, 103065, 123678, 137420, 206130, 247356, 309195, 412260, 618390, 1236780]

約数ペア:

[(1, 1236780), (2, 618390), (3, 412260), (4, 309195), (5, 247356), (6, 206130), (9, 137420), (10, 123678), (12, 103065), (15, 82452), (18, 68710), (20, 61839), (30, 41226), (36, 34355), (45, 27484), (60, 20613), (90, 13742), (180, 6871)]