81660360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680503}}^1$

素因数の和:680517

約数の個数: 32

約数和(自身を含む): 244981440

約数和(自身を除く): 163321080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680503, 1361006, 2041509, 2722012, 3402515, 4083018, 5444024, 6805030, 8166036, 10207545, 13610060, 16332072, 20415090, 27220120, 40830180, 81660360]

約数ペア:

[(1, 81660360), (2, 40830180), (3, 27220120), (4, 20415090), (5, 16332072), (6, 13610060), (8, 10207545), (10, 8166036), (12, 6805030), (15, 5444024), (20, 4083018), (24, 3402515), (30, 2722012), (40, 2041509), (60, 1361006), (120, 680503)]