66168840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{551407}}^1$

素因数の和:551421

約数の個数: 32

約数和(自身を含む): 198506880

約数和(自身を除く): 132338040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 551407, 1102814, 1654221, 2205628, 2757035, 3308442, 4411256, 5514070, 6616884, 8271105, 11028140, 13233768, 16542210, 22056280, 33084420, 66168840]

約数ペア:

[(1, 66168840), (2, 33084420), (3, 22056280), (4, 16542210), (5, 13233768), (6, 11028140), (8, 8271105), (10, 6616884), (12, 5514070), (15, 4411256), (20, 3308442), (24, 2757035), (30, 2205628), (40, 1654221), (60, 1102814), (120, 551407)]