80685216

素因数分解:

$2^5\times 3^2\times {\mathrm{281}}^1\times {\mathrm{997}}^1$

素因数の和:1294

約数の個数: 72

約数和(自身を含む): 230496084

約数和(自身を除く): 149810868

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 281, 288, 562, 843, 997, 1124, 1686, 1994, 2248, 2529, 2991, 3372, 3988, 4496, 5058, 5982, 6744, 7976, 8973, 8992, 10116, 11964, 13488, 15952, 17946, 20232, 23928, 26976, 31904, 35892, 40464, 47856, 71784, 80928, 95712, 143568, 280157, 287136, 560314, 840471, 1120628, 1680942, 2241256, 2521413, 3361884, 4482512, 5042826, 6723768, 8965024, 10085652, 13447536, 20171304, 26895072, 40342608, 80685216]

約数ペア:

[(1, 80685216), (2, 40342608), (3, 26895072), (4, 20171304), (6, 13447536), (8, 10085652), (9, 8965024), (12, 6723768), (16, 5042826), (18, 4482512), (24, 3361884), (32, 2521413), (36, 2241256), (48, 1680942), (72, 1120628), (96, 840471), (144, 560314), (281, 287136), (288, 280157), (562, 143568), (843, 95712), (997, 80928), (1124, 71784), (1686, 47856), (1994, 40464), (2248, 35892), (2529, 31904), (2991, 26976), (3372, 23928), (3988, 20232), (4496, 17946), (5058, 15952), (5982, 13488), (6744, 11964), (7976, 10116), (8973, 8992)]