157659760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 381350592

約数和(自身を除く): 223690832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 142, 164, 205, 284, 328, 355, 410, 568, 656, 677, 710, 820, 1136, 1354, 1420, 1640, 2708, 2840, 2911, 3280, 3385, 5416, 5680, 5822, 6770, 10832, 11644, 13540, 14555, 23288, 27080, 27757, 29110, 46576, 48067, 54160, 55514, 58220, 96134, 111028, 116440, 138785, 192268, 222056, 232880, 240335, 277570, 384536, 444112, 480670, 555140, 769072, 961340, 1110280, 1922680, 1970747, 2220560, 3845360, 3941494, 7882988, 9853735, 15765976, 19707470, 31531952, 39414940, 78829880, 157659760]

約数ペア:

[(1, 157659760), (2, 78829880), (4, 39414940), (5, 31531952), (8, 19707470), (10, 15765976), (16, 9853735), (20, 7882988), (40, 3941494), (41, 3845360), (71, 2220560), (80, 1970747), (82, 1922680), (142, 1110280), (164, 961340), (205, 769072), (284, 555140), (328, 480670), (355, 444112), (410, 384536), (568, 277570), (656, 240335), (677, 232880), (710, 222056), (820, 192268), (1136, 138785), (1354, 116440), (1420, 111028), (1640, 96134), (2708, 58220), (2840, 55514), (2911, 54160), (3280, 48067), (3385, 46576), (5416, 29110), (5680, 27757), (5822, 27080), (6770, 23288), (10832, 14555), (11644, 13540)]