161707060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 365622264

約数和(自身を除く): 203915204

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 277, 289, 340, 404, 505, 554, 578, 1010, 1108, 1156, 1385, 1445, 1717, 2020, 2770, 2890, 3434, 4709, 5540, 5780, 6868, 8585, 9418, 17170, 18836, 23545, 27977, 29189, 34340, 47090, 55954, 58378, 80053, 94180, 111908, 116756, 139885, 145945, 160106, 279770, 291890, 320212, 400265, 475609, 559540, 583780, 800530, 951218, 1601060, 1902436, 2378045, 4756090, 8085353, 9512180, 16170706, 32341412, 40426765, 80853530, 161707060]

約数ペア:

[(1, 161707060), (2, 80853530), (4, 40426765), (5, 32341412), (10, 16170706), (17, 9512180), (20, 8085353), (34, 4756090), (68, 2378045), (85, 1902436), (101, 1601060), (170, 951218), (202, 800530), (277, 583780), (289, 559540), (340, 475609), (404, 400265), (505, 320212), (554, 291890), (578, 279770), (1010, 160106), (1108, 145945), (1156, 139885), (1385, 116756), (1445, 111908), (1717, 94180), (2020, 80053), (2770, 58378), (2890, 55954), (3434, 47090), (4709, 34340), (5540, 29189), (5780, 27977), (6868, 23545), (8585, 18836), (9418, 17170)]