217981080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{605503}}^1$

素因数の和:605520

約数の個数: 48

約数和(自身を含む): 708439680

約数和(自身を除く): 490458600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 605503, 1211006, 1816509, 2422012, 3027515, 3633018, 4844024, 5449527, 6055030, 7266036, 9082545, 10899054, 12110060, 14532072, 18165090, 21798108, 24220120, 27247635, 36330180, 43596216, 54495270, 72660360, 108990540, 217981080]

約数ペア:

[(1, 217981080), (2, 108990540), (3, 72660360), (4, 54495270), (5, 43596216), (6, 36330180), (8, 27247635), (9, 24220120), (10, 21798108), (12, 18165090), (15, 14532072), (18, 12110060), (20, 10899054), (24, 9082545), (30, 7266036), (36, 6055030), (40, 5449527), (45, 4844024), (60, 3633018), (72, 3027515), (90, 2422012), (120, 1816509), (180, 1211006), (360, 605503)]