28578780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{158771}}^1$

素因数の和:158786

約数の個数: 36

約数和(自身を含む): 86689512

約数和(自身を除く): 58110732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 158771, 317542, 476313, 635084, 793855, 952626, 1428939, 1587710, 1905252, 2381565, 2857878, 3175420, 4763130, 5715756, 7144695, 9526260, 14289390, 28578780]

約数ペア:

[(1, 28578780), (2, 14289390), (3, 9526260), (4, 7144695), (5, 5715756), (6, 4763130), (9, 3175420), (10, 2857878), (12, 2381565), (15, 1905252), (18, 1587710), (20, 1428939), (30, 952626), (36, 793855), (45, 635084), (60, 476313), (90, 317542), (180, 158771)]