12780030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9960

約数の個数: 32

約数和(自身を含む): 31388544

約数和(自身を除く): 18608514

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 9907, 19814, 29721, 49535, 59442, 99070, 148605, 297210, 426001, 852002, 1278003, 2130005, 2556006, 4260010, 6390015, 12780030]

約数ペア:

[(1, 12780030), (2, 6390015), (3, 4260010), (5, 2556006), (6, 2130005), (10, 1278003), (15, 852002), (30, 426001), (43, 297210), (86, 148605), (129, 99070), (215, 59442), (258, 49535), (430, 29721), (645, 19814), (1290, 9907)]