90540540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503003}}^1$

素因数の和:503018

約数の個数: 36

約数和(自身を含む): 274640184

約数和(自身を除く): 184099644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503003, 1006006, 1509009, 2012012, 2515015, 3018018, 4527027, 5030030, 6036036, 7545045, 9054054, 10060060, 15090090, 18108108, 22635135, 30180180, 45270270, 90540540]

約数ペア:

[(1, 90540540), (2, 45270270), (3, 30180180), (4, 22635135), (5, 18108108), (6, 15090090), (9, 10060060), (10, 9054054), (12, 7545045), (15, 6036036), (18, 5030030), (20, 4527027), (30, 3018018), (36, 2515015), (45, 2012012), (60, 1509009), (90, 1006006), (180, 503003)]