71379180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1543}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 217500192

約数和(自身を除く): 146121012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 1543, 2313, 2570, 3084, 3086, 3855, 4626, 4629, 5140, 6172, 7710, 7715, 9252, 9258, 11565, 13887, 15420, 15430, 18516, 23130, 23145, 27774, 30860, 46260, 46290, 55548, 69435, 92580, 138870, 277740, 396551, 793102, 1189653, 1586204, 1982755, 2379306, 3568959, 3965510, 4758612, 5948265, 7137918, 7931020, 11896530, 14275836, 17844795, 23793060, 35689590, 71379180]

約数ペア:

[(1, 71379180), (2, 35689590), (3, 23793060), (4, 17844795), (5, 14275836), (6, 11896530), (9, 7931020), (10, 7137918), (12, 5948265), (15, 4758612), (18, 3965510), (20, 3568959), (30, 2379306), (36, 1982755), (45, 1586204), (60, 1189653), (90, 793102), (180, 396551), (257, 277740), (514, 138870), (771, 92580), (1028, 69435), (1285, 55548), (1542, 46290), (1543, 46260), (2313, 30860), (2570, 27774), (3084, 23145), (3086, 23130), (3855, 18516), (4626, 15430), (4629, 15420), (5140, 13887), (6172, 11565), (7710, 9258), (7715, 9252)]