82756480

素因数分解:

$2^7\times 5^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 199169280

約数和(自身を除く): 116412800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 320, 382, 640, 677, 764, 955, 1354, 1528, 1910, 2708, 3056, 3385, 3820, 5416, 6112, 6770, 7640, 10832, 12224, 13540, 15280, 21664, 24448, 27080, 30560, 43328, 54160, 61120, 86656, 108320, 122240, 129307, 216640, 258614, 433280, 517228, 646535, 1034456, 1293070, 2068912, 2586140, 4137824, 5172280, 8275648, 10344560, 16551296, 20689120, 41378240, 82756480]

約数ペア:

[(1, 82756480), (2, 41378240), (4, 20689120), (5, 16551296), (8, 10344560), (10, 8275648), (16, 5172280), (20, 4137824), (32, 2586140), (40, 2068912), (64, 1293070), (80, 1034456), (128, 646535), (160, 517228), (191, 433280), (320, 258614), (382, 216640), (640, 129307), (677, 122240), (764, 108320), (955, 86656), (1354, 61120), (1528, 54160), (1910, 43328), (2708, 30560), (3056, 27080), (3385, 24448), (3820, 21664), (5416, 15280), (6112, 13540), (6770, 12224), (7640, 10832)]