77964840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{216569}}^1$

素因数の和:216586

約数の個数: 48

約数和(自身を含む): 253386900

約数和(自身を除く): 175422060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 216569, 433138, 649707, 866276, 1082845, 1299414, 1732552, 1949121, 2165690, 2598828, 3248535, 3898242, 4331380, 5197656, 6497070, 7796484, 8662760, 9745605, 12994140, 15592968, 19491210, 25988280, 38982420, 77964840]

約数ペア:

[(1, 77964840), (2, 38982420), (3, 25988280), (4, 19491210), (5, 15592968), (6, 12994140), (8, 9745605), (9, 8662760), (10, 7796484), (12, 6497070), (15, 5197656), (18, 4331380), (20, 3898242), (24, 3248535), (30, 2598828), (36, 2165690), (40, 1949121), (45, 1732552), (60, 1299414), (72, 1082845), (90, 866276), (120, 649707), (180, 433138), (360, 216569)]