78828030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20369}}^1$

素因数の和:20425

約数の個数: 48

約数和(自身を含む): 209729520

約数和(自身を除く): 130901490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 20369, 40738, 61107, 101845, 122214, 183321, 203690, 305535, 366642, 611070, 875867, 916605, 1751734, 1833210, 2627601, 4379335, 5255202, 7882803, 8758670, 13138005, 15765606, 26276010, 39414015, 78828030]

約数ペア:

[(1, 78828030), (2, 39414015), (3, 26276010), (5, 15765606), (6, 13138005), (9, 8758670), (10, 7882803), (15, 5255202), (18, 4379335), (30, 2627601), (43, 1833210), (45, 1751734), (86, 916605), (90, 875867), (129, 611070), (215, 366642), (258, 305535), (387, 203690), (430, 183321), (645, 122214), (774, 101845), (1290, 61107), (1935, 40738), (3870, 20369)]