67947180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{161779}}^1$

素因数の和:161798

約数の個数: 48

約数和(自身を含む): 217432320

約数和(自身を除く): 149485140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 161779, 323558, 485337, 647116, 808895, 970674, 1132453, 1617790, 1941348, 2264906, 2426685, 3235580, 3397359, 4529812, 4853370, 5662265, 6794718, 9706740, 11324530, 13589436, 16986795, 22649060, 33973590, 67947180]

約数ペア:

[(1, 67947180), (2, 33973590), (3, 22649060), (4, 16986795), (5, 13589436), (6, 11324530), (7, 9706740), (10, 6794718), (12, 5662265), (14, 4853370), (15, 4529812), (20, 3397359), (21, 3235580), (28, 2426685), (30, 2264906), (35, 1941348), (42, 1617790), (60, 1132453), (70, 970674), (84, 808895), (105, 647116), (140, 485337), (210, 323558), (420, 161779)]