261291277320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{2003153}}^1$

素因数の和:2004254

約数の個数: 64

約数和(自身を含む): 784595358720

約数和(自身を除く): 523304081400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1087, 2174, 3261, 4348, 5435, 6522, 8696, 10870, 13044, 16305, 21740, 26088, 32610, 43480, 65220, 130440, 2003153, 4006306, 6009459, 8012612, 10015765, 12018918, 16025224, 20031530, 24037836, 30047295, 40063060, 48075672, 60094590, 80126120, 120189180, 240378360, 2177427311, 4354854622, 6532281933, 8709709244, 10887136555, 13064563866, 17419418488, 21774273110, 26129127732, 32661409665, 43548546220, 52258255464, 65322819330, 87097092440, 130645638660, 261291277320]

約数ペア:

[(1, 261291277320), (2, 130645638660), (3, 87097092440), (4, 65322819330), (5, 52258255464), (6, 43548546220), (8, 32661409665), (10, 26129127732), (12, 21774273110), (15, 17419418488), (20, 13064563866), (24, 10887136555), (30, 8709709244), (40, 6532281933), (60, 4354854622), (120, 2177427311), (1087, 240378360), (2174, 120189180), (3261, 80126120), (4348, 60094590), (5435, 48075672), (6522, 40063060), (8696, 30047295), (10870, 24037836), (13044, 20031530), (16305, 16025224), (21740, 12018918), (26088, 10015765), (32610, 8012612), (43480, 6009459), (65220, 4006306), (130440, 2003153)]