2578667220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{304807}}^1$

素因数の和:304869

約数の個数: 72

約数和(自身を含む): 7988408064

約数和(自身を除く): 5409740844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 304807, 609614, 914421, 1219228, 1524035, 1828842, 2743263, 3048070, 3657684, 4572105, 5486526, 6096140, 9144210, 10973052, 13716315, 14325929, 18288420, 27432630, 28651858, 42977787, 54865260, 57303716, 71629645, 85955574, 128933361, 143259290, 171911148, 214888935, 257866722, 286518580, 429777870, 515733444, 644666805, 859555740, 1289333610, 2578667220]

約数ペア:

[(1, 2578667220), (2, 1289333610), (3, 859555740), (4, 644666805), (5, 515733444), (6, 429777870), (9, 286518580), (10, 257866722), (12, 214888935), (15, 171911148), (18, 143259290), (20, 128933361), (30, 85955574), (36, 71629645), (45, 57303716), (47, 54865260), (60, 42977787), (90, 28651858), (94, 27432630), (141, 18288420), (180, 14325929), (188, 13716315), (235, 10973052), (282, 9144210), (423, 6096140), (470, 5486526), (564, 4572105), (705, 3657684), (846, 3048070), (940, 2743263), (1410, 1828842), (1692, 1524035), (2115, 1219228), (2820, 914421), (4230, 609614), (8460, 304807)]