80715780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448421}}^1$

素因数の和:448436

約数の個数: 36

約数和(自身を含む): 244838412

約数和(自身を除く): 164122632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448421, 896842, 1345263, 1793684, 2242105, 2690526, 4035789, 4484210, 5381052, 6726315, 8071578, 8968420, 13452630, 16143156, 20178945, 26905260, 40357890, 80715780]

約数ペア:

[(1, 80715780), (2, 40357890), (3, 26905260), (4, 20178945), (5, 16143156), (6, 13452630), (9, 8968420), (10, 8071578), (12, 6726315), (15, 5381052), (18, 4484210), (20, 4035789), (30, 2690526), (36, 2242105), (45, 1793684), (60, 1345263), (90, 896842), (180, 448421)]