80451378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 223606656

約数和(自身を除く): 143155278

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 34, 42, 46, 51, 63, 69, 71, 102, 119, 126, 138, 142, 153, 161, 207, 213, 238, 306, 322, 357, 391, 414, 426, 483, 497, 529, 639, 714, 782, 966, 994, 1058, 1071, 1173, 1207, 1278, 1449, 1491, 1587, 1633, 2142, 2346, 2414, 2737, 2898, 2982, 3174, 3266, 3519, 3621, 3703, 4473, 4761, 4899, 5474, 7038, 7242, 7406, 8211, 8449, 8946, 8993, 9522, 9798, 10863, 11109, 11431, 14697, 16422, 16898, 17986, 21726, 22218, 22862, 24633, 25347, 26979, 27761, 29394, 33327, 34293, 37559, 49266, 50694, 53958, 55522, 62951, 66654, 68586, 75118, 76041, 80937, 83283, 102879, 112677, 125902, 152082, 161874, 166566, 188853, 194327, 205758, 225354, 249849, 262913, 338031, 377706, 388654, 499698, 525826, 566559, 582981, 638503, 676062, 788739, 1133118, 1165962, 1277006, 1577478, 1748943, 1915509, 2366217, 3497886, 3831018, 4469521, 4732434, 5746527, 8939042, 11493054, 13408563, 26817126, 40225689, 80451378]

約数ペア:

[(1, 80451378), (2, 40225689), (3, 26817126), (6, 13408563), (7, 11493054), (9, 8939042), (14, 5746527), (17, 4732434), (18, 4469521), (21, 3831018), (23, 3497886), (34, 2366217), (42, 1915509), (46, 1748943), (51, 1577478), (63, 1277006), (69, 1165962), (71, 1133118), (102, 788739), (119, 676062), (126, 638503), (138, 582981), (142, 566559), (153, 525826), (161, 499698), (207, 388654), (213, 377706), (238, 338031), (306, 262913), (322, 249849), (357, 225354), (391, 205758), (414, 194327), (426, 188853), (483, 166566), (497, 161874), (529, 152082), (639, 125902), (714, 112677), (782, 102879), (966, 83283), (994, 80937), (1058, 76041), (1071, 75118), (1173, 68586), (1207, 66654), (1278, 62951), (1449, 55522), (1491, 53958), (1587, 50694), (1633, 49266), (2142, 37559), (2346, 34293), (2414, 33327), (2737, 29394), (2898, 27761), (2982, 26979), (3174, 25347), (3266, 24633), (3519, 22862), (3621, 22218), (3703, 21726), (4473, 17986), (4761, 16898), (4899, 16422), (5474, 14697), (7038, 11431), (7242, 11109), (7406, 10863), (8211, 9798), (8449, 9522), (8946, 8993)]