90908640

素因数分解:

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

素因数の和:63152

約数の個数: 72

約数和(自身を含む): 310230648

約数和(自身を除く): 219322008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 63131, 126262, 189393, 252524, 315655, 378786, 505048, 568179, 631310, 757572, 946965, 1010096, 1136358, 1262620, 1515144, 1893930, 2020192, 2272716, 2525240, 2840895, 3030288, 3787860, 4545432, 5050480, 5681790, 6060576, 7575720, 9090864, 10100960, 11363580, 15151440, 18181728, 22727160, 30302880, 45454320, 90908640]

約数ペア:

[(1, 90908640), (2, 45454320), (3, 30302880), (4, 22727160), (5, 18181728), (6, 15151440), (8, 11363580), (9, 10100960), (10, 9090864), (12, 7575720), (15, 6060576), (16, 5681790), (18, 5050480), (20, 4545432), (24, 3787860), (30, 3030288), (32, 2840895), (36, 2525240), (40, 2272716), (45, 2020192), (48, 1893930), (60, 1515144), (72, 1262620), (80, 1136358), (90, 1010096), (96, 946965), (120, 757572), (144, 631310), (160, 568179), (180, 505048), (240, 378786), (288, 315655), (360, 252524), (480, 189393), (720, 126262), (1440, 63131)]