80907780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3203}}^1$

素因数の和:3636

約数の個数: 48

約数和(自身を含む): 227150784

約数和(自身を除く): 146243004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1263, 1684, 2105, 2526, 3203, 4210, 5052, 6315, 6406, 8420, 9609, 12630, 12812, 16015, 19218, 25260, 32030, 38436, 48045, 64060, 96090, 192180, 1348463, 2696926, 4045389, 5393852, 6742315, 8090778, 13484630, 16181556, 20226945, 26969260, 40453890, 80907780]

約数ペア:

[(1, 80907780), (2, 40453890), (3, 26969260), (4, 20226945), (5, 16181556), (6, 13484630), (10, 8090778), (12, 6742315), (15, 5393852), (20, 4045389), (30, 2696926), (60, 1348463), (421, 192180), (842, 96090), (1263, 64060), (1684, 48045), (2105, 38436), (2526, 32030), (3203, 25260), (4210, 19218), (5052, 16015), (6315, 12812), (6406, 12630), (8420, 9609)]