128960280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{358223}}^1$

素因数の和:358240

約数の個数: 48

約数和(自身を含む): 419122080

約数和(自身を除く): 290161800

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, 358223, 716446, 1074669, 1432892, 1791115, 2149338, 2865784, 3224007, 3582230, 4298676, 5373345, 6448014, 7164460, 8597352, 10746690, 12896028, 14328920, 16120035, 21493380, 25792056, 32240070, 42986760, 64480140, 128960280]

約数ペア:

[(1, 128960280), (2, 64480140), (3, 42986760), (4, 32240070), (5, 25792056), (6, 21493380), (8, 16120035), (9, 14328920), (10, 12896028), (12, 10746690), (15, 8597352), (18, 7164460), (20, 6448014), (24, 5373345), (30, 4298676), (36, 3582230), (40, 3224007), (45, 2865784), (60, 2149338), (72, 1791115), (90, 1432892), (120, 1074669), (180, 716446), (360, 358223)]