247780920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20047}}^1$

素因数の和:20164

約数の個数: 64

約数和(自身を含む): 750597120

約数和(自身を除く): 502816200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 20047, 40094, 60141, 80188, 100235, 120282, 160376, 200470, 240564, 300705, 400940, 481128, 601410, 801880, 1202820, 2064841, 2405640, 4129682, 6194523, 8259364, 10324205, 12389046, 16518728, 20648410, 24778092, 30972615, 41296820, 49556184, 61945230, 82593640, 123890460, 247780920]

約数ペア:

[(1, 247780920), (2, 123890460), (3, 82593640), (4, 61945230), (5, 49556184), (6, 41296820), (8, 30972615), (10, 24778092), (12, 20648410), (15, 16518728), (20, 12389046), (24, 10324205), (30, 8259364), (40, 6194523), (60, 4129682), (103, 2405640), (120, 2064841), (206, 1202820), (309, 801880), (412, 601410), (515, 481128), (618, 400940), (824, 300705), (1030, 240564), (1236, 200470), (1545, 160376), (2060, 120282), (2472, 100235), (3090, 80188), (4120, 60141), (6180, 40094), (12360, 20047)]