80272458

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1089

約数の個数: 80

約数和(自身を含む): 208669824

約数和(自身を除く): 128397366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 213, 378, 426, 497, 567, 639, 994, 997, 1134, 1278, 1491, 1917, 1994, 2982, 2991, 3834, 4473, 5751, 5982, 6979, 8946, 8973, 11502, 13419, 13958, 17946, 20937, 26838, 26919, 40257, 41874, 53838, 62811, 70787, 80514, 80757, 125622, 141574, 161514, 188433, 212361, 376866, 424722, 495509, 565299, 637083, 991018, 1130598, 1274166, 1486527, 1911249, 2973054, 3822498, 4459581, 5733747, 8919162, 11467494, 13378743, 26757486, 40136229, 80272458]

約数ペア:

[(1, 80272458), (2, 40136229), (3, 26757486), (6, 13378743), (7, 11467494), (9, 8919162), (14, 5733747), (18, 4459581), (21, 3822498), (27, 2973054), (42, 1911249), (54, 1486527), (63, 1274166), (71, 1130598), (81, 991018), (126, 637083), (142, 565299), (162, 495509), (189, 424722), (213, 376866), (378, 212361), (426, 188433), (497, 161514), (567, 141574), (639, 125622), (994, 80757), (997, 80514), (1134, 70787), (1278, 62811), (1491, 53838), (1917, 41874), (1994, 40257), (2982, 26919), (2991, 26838), (3834, 20937), (4473, 17946), (5751, 13958), (5982, 13419), (6979, 11502), (8946, 8973)]