80281404

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:736

約数の個数: 108

約数和(自身を含む): 239763888

約数和(自身を除く): 159482484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 71, 84, 98, 126, 142, 147, 196, 213, 252, 284, 294, 426, 441, 497, 588, 639, 641, 852, 882, 994, 1278, 1282, 1491, 1764, 1923, 1988, 2556, 2564, 2982, 3479, 3846, 4473, 4487, 5769, 5964, 6958, 7692, 8946, 8974, 10437, 11538, 13461, 13916, 17892, 17948, 20874, 23076, 26922, 31311, 31409, 40383, 41748, 45511, 53844, 62622, 62818, 80766, 91022, 94227, 125244, 125636, 136533, 161532, 182044, 188454, 273066, 282681, 318577, 376908, 409599, 546132, 565362, 637154, 819198, 955731, 1130724, 1274308, 1638396, 1911462, 2230039, 2867193, 3822924, 4460078, 5734386, 6690117, 8920156, 11468772, 13380234, 20070351, 26760468, 40140702, 80281404]

約数ペア:

[(1, 80281404), (2, 40140702), (3, 26760468), (4, 20070351), (6, 13380234), (7, 11468772), (9, 8920156), (12, 6690117), (14, 5734386), (18, 4460078), (21, 3822924), (28, 2867193), (36, 2230039), (42, 1911462), (49, 1638396), (63, 1274308), (71, 1130724), (84, 955731), (98, 819198), (126, 637154), (142, 565362), (147, 546132), (196, 409599), (213, 376908), (252, 318577), (284, 282681), (294, 273066), (426, 188454), (441, 182044), (497, 161532), (588, 136533), (639, 125636), (641, 125244), (852, 94227), (882, 91022), (994, 80766), (1278, 62818), (1282, 62622), (1491, 53844), (1764, 45511), (1923, 41748), (1988, 40383), (2556, 31409), (2564, 31311), (2982, 26922), (3479, 23076), (3846, 20874), (4473, 17948), (4487, 17892), (5769, 13916), (5964, 13461), (6958, 11538), (7692, 10437), (8946, 8974)]