13278780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73771}}^1$

素因数の和:73786

約数の個数: 36

約数和(自身を含む): 40279512

約数和(自身を除く): 27000732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 73771, 147542, 221313, 295084, 368855, 442626, 663939, 737710, 885252, 1106565, 1327878, 1475420, 2213130, 2655756, 3319695, 4426260, 6639390, 13278780]

約数ペア:

[(1, 13278780), (2, 6639390), (3, 4426260), (4, 3319695), (5, 2655756), (6, 2213130), (9, 1475420), (10, 1327878), (12, 1106565), (15, 885252), (18, 737710), (20, 663939), (30, 442626), (36, 368855), (45, 295084), (60, 221313), (90, 147542), (180, 73771)]