13215780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73421}}^1$

素因数の和:73436

約数の個数: 36

約数和(自身を含む): 40088412

約数和(自身を除く): 26872632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 73421, 146842, 220263, 293684, 367105, 440526, 660789, 734210, 881052, 1101315, 1321578, 1468420, 2202630, 2643156, 3303945, 4405260, 6607890, 13215780]

約数ペア:

[(1, 13215780), (2, 6607890), (3, 4405260), (4, 3303945), (5, 2643156), (6, 2202630), (9, 1468420), (10, 1321578), (12, 1101315), (15, 881052), (18, 734210), (20, 660789), (30, 440526), (36, 367105), (45, 293684), (60, 220263), (90, 146842), (180, 73421)]