81357264

素因数分解:

$2^4\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2269}}^1$

素因数の和:2369

約数の個数: 80

約数和(自身を含む): 236443200

約数和(自身を除く): 155085936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 83, 108, 144, 166, 216, 249, 332, 432, 498, 664, 747, 996, 1328, 1494, 1992, 2241, 2269, 2988, 3984, 4482, 4538, 5976, 6807, 8964, 9076, 11952, 13614, 17928, 18152, 20421, 27228, 35856, 36304, 40842, 54456, 61263, 81684, 108912, 122526, 163368, 188327, 245052, 326736, 376654, 490104, 564981, 753308, 980208, 1129962, 1506616, 1694943, 2259924, 3013232, 3389886, 4519848, 5084829, 6779772, 9039696, 10169658, 13559544, 20339316, 27119088, 40678632, 81357264]

約数ペア:

[(1, 81357264), (2, 40678632), (3, 27119088), (4, 20339316), (6, 13559544), (8, 10169658), (9, 9039696), (12, 6779772), (16, 5084829), (18, 4519848), (24, 3389886), (27, 3013232), (36, 2259924), (48, 1694943), (54, 1506616), (72, 1129962), (83, 980208), (108, 753308), (144, 564981), (166, 490104), (216, 376654), (249, 326736), (332, 245052), (432, 188327), (498, 163368), (664, 122526), (747, 108912), (996, 81684), (1328, 61263), (1494, 54456), (1992, 40842), (2241, 36304), (2269, 35856), (2988, 27228), (3984, 20421), (4482, 18152), (4538, 17928), (5976, 13614), (6807, 11952), (8964, 9076)]