80105775

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 138145920

約数和(自身を除く): 58040145

約数列:

[1, 3, 5, 15, 25, 43, 59, 75, 129, 177, 215, 295, 421, 645, 885, 1075, 1263, 1475, 2105, 2537, 3225, 4425, 6315, 7611, 10525, 12685, 18103, 24839, 31575, 38055, 54309, 63425, 74517, 90515, 124195, 190275, 271545, 372585, 452575, 620975, 1068077, 1357725, 1862925, 3204231, 5340385, 16021155, 26701925, 80105775]

約数ペア:

[(1, 80105775), (3, 26701925), (5, 16021155), (15, 5340385), (25, 3204231), (43, 1862925), (59, 1357725), (75, 1068077), (129, 620975), (177, 452575), (215, 372585), (295, 271545), (421, 190275), (645, 124195), (885, 90515), (1075, 74517), (1263, 63425), (1475, 54309), (2105, 38055), (2537, 31575), (3225, 24839), (4425, 18103), (6315, 12685), (7611, 10525)]