67680420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4289}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 190270080

約数和(自身を除く): 122589660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1315, 1578, 2630, 3156, 3945, 4289, 5260, 7890, 8578, 12867, 15780, 17156, 21445, 25734, 42890, 51468, 64335, 85780, 128670, 257340, 1128007, 2256014, 3384021, 4512028, 5640035, 6768042, 11280070, 13536084, 16920105, 22560140, 33840210, 67680420]

約数ペア:

[(1, 67680420), (2, 33840210), (3, 22560140), (4, 16920105), (5, 13536084), (6, 11280070), (10, 6768042), (12, 5640035), (15, 4512028), (20, 3384021), (30, 2256014), (60, 1128007), (263, 257340), (526, 128670), (789, 85780), (1052, 64335), (1315, 51468), (1578, 42890), (2630, 25734), (3156, 21445), (3945, 17156), (4289, 15780), (5260, 12867), (7890, 8578)]