129308960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73471}}^1$

素因数の和:73497

約数の個数: 48

約数和(自身を含む): 333268992

約数和(自身を除く): 203960032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 73471, 146942, 293884, 367355, 587768, 734710, 808181, 1175536, 1469420, 1616362, 2351072, 2938840, 3232724, 4040905, 5877680, 6465448, 8081810, 11755360, 12930896, 16163620, 25861792, 32327240, 64654480, 129308960]

約数ペア:

[(1, 129308960), (2, 64654480), (4, 32327240), (5, 25861792), (8, 16163620), (10, 12930896), (11, 11755360), (16, 8081810), (20, 6465448), (22, 5877680), (32, 4040905), (40, 3232724), (44, 2938840), (55, 2351072), (80, 1616362), (88, 1469420), (110, 1175536), (160, 808181), (176, 734710), (220, 587768), (352, 367355), (440, 293884), (880, 146942), (1760, 73471)]