68348720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 175301280

約数和(自身を除く): 106952560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 769, 808, 880, 1010, 1111, 1538, 1616, 2020, 2222, 3076, 3845, 4040, 4444, 5555, 6152, 7690, 8080, 8459, 8888, 11110, 12304, 15380, 16918, 17776, 22220, 30760, 33836, 42295, 44440, 61520, 67672, 77669, 84590, 88880, 135344, 155338, 169180, 310676, 338360, 388345, 621352, 676720, 776690, 854359, 1242704, 1553380, 1708718, 3106760, 3417436, 4271795, 6213520, 6834872, 8543590, 13669744, 17087180, 34174360, 68348720]

約数ペア:

[(1, 68348720), (2, 34174360), (4, 17087180), (5, 13669744), (8, 8543590), (10, 6834872), (11, 6213520), (16, 4271795), (20, 3417436), (22, 3106760), (40, 1708718), (44, 1553380), (55, 1242704), (80, 854359), (88, 776690), (101, 676720), (110, 621352), (176, 388345), (202, 338360), (220, 310676), (404, 169180), (440, 155338), (505, 135344), (769, 88880), (808, 84590), (880, 77669), (1010, 67672), (1111, 61520), (1538, 44440), (1616, 42295), (2020, 33836), (2222, 30760), (3076, 22220), (3845, 17776), (4040, 16918), (4444, 15380), (5555, 12304), (6152, 11110), (7690, 8888), (8080, 8459)]