156960780440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{36000179}}^1$

素因数の和:36000299

約数の個数: 32

約数和(自身を含む): 356401782000

約数和(自身を除く): 199441001560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 36000179, 72000358, 144000716, 180000895, 288001432, 360001790, 720003580, 1440007160, 3924019511, 7848039022, 15696078044, 19620097555, 31392156088, 39240195110, 78480390220, 156960780440]

約数ペア:

[(1, 156960780440), (2, 78480390220), (4, 39240195110), (5, 31392156088), (8, 19620097555), (10, 15696078044), (20, 7848039022), (40, 3924019511), (109, 1440007160), (218, 720003580), (436, 360001790), (545, 288001432), (872, 180000895), (1090, 144000716), (2180, 72000358), (4360, 36000179)]