121211520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{63131}}^1$

素因数の和:63153

約数の個数: 64

約数和(自身を含む): 386367840

約数和(自身を除く): 265156320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 63131, 126262, 189393, 252524, 315655, 378786, 505048, 631310, 757572, 946965, 1010096, 1262620, 1515144, 1893930, 2020192, 2525240, 3030288, 3787860, 4040384, 5050480, 6060576, 7575720, 8080768, 10100960, 12121152, 15151440, 20201920, 24242304, 30302880, 40403840, 60605760, 121211520]

約数ペア:

[(1, 121211520), (2, 60605760), (3, 40403840), (4, 30302880), (5, 24242304), (6, 20201920), (8, 15151440), (10, 12121152), (12, 10100960), (15, 8080768), (16, 7575720), (20, 6060576), (24, 5050480), (30, 4040384), (32, 3787860), (40, 3030288), (48, 2525240), (60, 2020192), (64, 1893930), (80, 1515144), (96, 1262620), (120, 1010096), (128, 946965), (160, 757572), (192, 631310), (240, 505048), (320, 378786), (384, 315655), (480, 252524), (640, 189393), (960, 126262), (1920, 63131)]