161749120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19441}}^1$

素因数の和:19473

約数の個数: 64

約数和(自身を含む): 416447640

約数和(自身を除く): 254698520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 19441, 38882, 77764, 97205, 155528, 194410, 252733, 311056, 388820, 505466, 622112, 777640, 1010932, 1244224, 1263665, 1555280, 2021864, 2488448, 2527330, 3110560, 4043728, 5054660, 6221120, 8087456, 10109320, 12442240, 16174912, 20218640, 32349824, 40437280, 80874560, 161749120]

約数ペア:

[(1, 161749120), (2, 80874560), (4, 40437280), (5, 32349824), (8, 20218640), (10, 16174912), (13, 12442240), (16, 10109320), (20, 8087456), (26, 6221120), (32, 5054660), (40, 4043728), (52, 3110560), (64, 2527330), (65, 2488448), (80, 2021864), (104, 1555280), (128, 1263665), (130, 1244224), (160, 1010932), (208, 777640), (260, 622112), (320, 505466), (416, 388820), (520, 311056), (640, 252733), (832, 194410), (1040, 155528), (1664, 97205), (2080, 77764), (4160, 38882), (8320, 19441)]