80616075

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 138014976

約数和(自身を除く): 57398901

約数列:

[1, 3, 5, 15, 25, 61, 67, 75, 183, 201, 263, 305, 335, 789, 915, 1005, 1315, 1525, 1675, 3945, 4087, 4575, 5025, 6575, 12261, 16043, 17621, 19725, 20435, 48129, 52863, 61305, 80215, 88105, 102175, 240645, 264315, 306525, 401075, 440525, 1074881, 1203225, 1321575, 3224643, 5374405, 16123215, 26872025, 80616075]

約数ペア:

[(1, 80616075), (3, 26872025), (5, 16123215), (15, 5374405), (25, 3224643), (61, 1321575), (67, 1203225), (75, 1074881), (183, 440525), (201, 401075), (263, 306525), (305, 264315), (335, 240645), (789, 102175), (915, 88105), (1005, 80215), (1315, 61305), (1525, 52863), (1675, 48129), (3945, 20435), (4087, 19725), (4575, 17621), (5025, 16043), (6575, 12261)]