71867340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399263}}^1$

素因数の和:399278

約数の個数: 36

約数和(自身を含む): 217998144

約数和(自身を除く): 146130804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399263, 798526, 1197789, 1597052, 1996315, 2395578, 3593367, 3992630, 4791156, 5988945, 7186734, 7985260, 11977890, 14373468, 17966835, 23955780, 35933670, 71867340]

約数ペア:

[(1, 71867340), (2, 35933670), (3, 23955780), (4, 17966835), (5, 14373468), (6, 11977890), (9, 7985260), (10, 7186734), (12, 5988945), (15, 4791156), (18, 3992630), (20, 3593367), (30, 2395578), (36, 1996315), (45, 1597052), (60, 1197789), (90, 798526), (180, 399263)]