204656520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4051}}^1$

素因数の和:4486

約数の個数: 64

約数和(自身を含む): 615579840

約数和(自身を除く): 410923320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1684, 2105, 2526, 3368, 4051, 4210, 5052, 6315, 8102, 8420, 10104, 12153, 12630, 16204, 16840, 20255, 24306, 25260, 32408, 40510, 48612, 50520, 60765, 81020, 97224, 121530, 162040, 243060, 486120, 1705471, 3410942, 5116413, 6821884, 8527355, 10232826, 13643768, 17054710, 20465652, 25582065, 34109420, 40931304, 51164130, 68218840, 102328260, 204656520]

約数ペア:

[(1, 204656520), (2, 102328260), (3, 68218840), (4, 51164130), (5, 40931304), (6, 34109420), (8, 25582065), (10, 20465652), (12, 17054710), (15, 13643768), (20, 10232826), (24, 8527355), (30, 6821884), (40, 5116413), (60, 3410942), (120, 1705471), (421, 486120), (842, 243060), (1263, 162040), (1684, 121530), (2105, 97224), (2526, 81020), (3368, 60765), (4051, 50520), (4210, 48612), (5052, 40510), (6315, 32408), (8102, 25260), (8420, 24306), (10104, 20255), (12153, 16840), (12630, 16204)]