64880368

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 85110032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 71, 82, 112, 142, 164, 199, 284, 287, 328, 398, 497, 568, 574, 656, 796, 994, 1136, 1148, 1393, 1592, 1988, 2296, 2786, 2911, 3184, 3976, 4592, 5572, 5822, 7952, 8159, 11144, 11644, 14129, 16318, 20377, 22288, 23288, 28258, 32636, 40754, 46576, 56516, 57113, 65272, 81508, 98903, 113032, 114226, 130544, 163016, 197806, 226064, 228452, 326032, 395612, 456904, 579289, 791224, 913808, 1158578, 1582448, 2317156, 4055023, 4634312, 8110046, 9268624, 16220092, 32440184, 64880368]

約数ペア:

[(1, 64880368), (2, 32440184), (4, 16220092), (7, 9268624), (8, 8110046), (14, 4634312), (16, 4055023), (28, 2317156), (41, 1582448), (56, 1158578), (71, 913808), (82, 791224), (112, 579289), (142, 456904), (164, 395612), (199, 326032), (284, 228452), (287, 226064), (328, 197806), (398, 163016), (497, 130544), (568, 114226), (574, 113032), (656, 98903), (796, 81508), (994, 65272), (1136, 57113), (1148, 56516), (1393, 46576), (1592, 40754), (1988, 32636), (2296, 28258), (2786, 23288), (2911, 22288), (3184, 20377), (3976, 16318), (4592, 14129), (5572, 11644), (5822, 11144), (7952, 8159)]