2625780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 7439040

約数和(自身を除く): 4813260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 409, 428, 535, 642, 818, 1070, 1227, 1284, 1605, 1636, 2045, 2140, 2454, 3210, 4090, 4908, 6135, 6420, 8180, 12270, 24540, 43763, 87526, 131289, 175052, 218815, 262578, 437630, 525156, 656445, 875260, 1312890, 2625780]

約数ペア:

[(1, 2625780), (2, 1312890), (3, 875260), (4, 656445), (5, 525156), (6, 437630), (10, 262578), (12, 218815), (15, 175052), (20, 131289), (30, 87526), (60, 43763), (107, 24540), (214, 12270), (321, 8180), (409, 6420), (428, 6135), (535, 4908), (642, 4090), (818, 3210), (1070, 2454), (1227, 2140), (1284, 2045), (1605, 1636)]