161566185880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{208279}}^1$

素因数の和:208385

約数の個数: 128

約数和(自身を含む): 415693555200

約数和(自身を除く): 254127369320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 43, 44, 55, 82, 86, 88, 110, 164, 172, 205, 215, 220, 328, 344, 410, 430, 440, 451, 473, 820, 860, 902, 946, 1640, 1720, 1763, 1804, 1892, 2255, 2365, 3526, 3608, 3784, 4510, 4730, 7052, 8815, 9020, 9460, 14104, 17630, 18040, 18920, 19393, 35260, 38786, 70520, 77572, 96965, 155144, 193930, 208279, 387860, 416558, 775720, 833116, 1041395, 1666232, 2082790, 2291069, 4165580, 4582138, 8331160, 8539439, 8955997, 9164276, 11455345, 17078878, 17911994, 18328552, 22910690, 34157756, 35823988, 42697195, 44779985, 45821380, 68315512, 71647976, 85394390, 89559970, 91642760, 93933829, 98515967, 170788780, 179119940, 187867658, 197031934, 341577560, 358239880, 367195877, 375735316, 394063868, 469669145, 492579835, 734391754, 751470632, 788127736, 939338290, 985159670, 1468783508, 1835979385, 1878676580, 1970319340, 2937567016, 3671958770, 3757353160, 3940638680, 4039154647, 7343917540, 8078309294, 14687835080, 16156618588, 20195773235, 32313237176, 40391546470, 80783092940, 161566185880]

約数ペア:

[(1, 161566185880), (2, 80783092940), (4, 40391546470), (5, 32313237176), (8, 20195773235), (10, 16156618588), (11, 14687835080), (20, 8078309294), (22, 7343917540), (40, 4039154647), (41, 3940638680), (43, 3757353160), (44, 3671958770), (55, 2937567016), (82, 1970319340), (86, 1878676580), (88, 1835979385), (110, 1468783508), (164, 985159670), (172, 939338290), (205, 788127736), (215, 751470632), (220, 734391754), (328, 492579835), (344, 469669145), (410, 394063868), (430, 375735316), (440, 367195877), (451, 358239880), (473, 341577560), (820, 197031934), (860, 187867658), (902, 179119940), (946, 170788780), (1640, 98515967), (1720, 93933829), (1763, 91642760), (1804, 89559970), (1892, 85394390), (2255, 71647976), (2365, 68315512), (3526, 45821380), (3608, 44779985), (3784, 42697195), (4510, 35823988), (4730, 34157756), (7052, 22910690), (8815, 18328552), (9020, 17911994), (9460, 17078878), (14104, 11455345), (17630, 9164276), (18040, 8955997), (18920, 8539439), (19393, 8331160), (35260, 4582138), (38786, 4165580), (70520, 2291069), (77572, 2082790), (96965, 1666232), (155144, 1041395), (193930, 833116), (208279, 775720), (387860, 416558)]