27900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1$

素因数の和:51

約数の個数: 54

約数和(自身を含む): 90272

約数和(自身を除く): 62372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 775, 900, 930, 1116, 1395, 1550, 1860, 2325, 2790, 3100, 4650, 5580, 6975, 9300, 13950, 27900]

約数ペア:

[(1, 27900), (2, 13950), (3, 9300), (4, 6975), (5, 5580), (6, 4650), (9, 3100), (10, 2790), (12, 2325), (15, 1860), (18, 1550), (20, 1395), (25, 1116), (30, 930), (31, 900), (36, 775), (45, 620), (50, 558), (60, 465), (62, 450), (75, 372), (90, 310), (93, 300), (100, 279), (124, 225), (150, 186), (155, 180)]