155729840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{39727}}^1$

素因数の和:39754

約数の個数: 60

約数和(自身を含む): 421196256

約数和(自身を除く): 265466416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 39727, 79454, 158908, 198635, 278089, 317816, 397270, 556178, 635632, 794540, 1112356, 1390445, 1589080, 1946623, 2224712, 2780890, 3178160, 3893246, 4449424, 5561780, 7786492, 9733115, 11123560, 15572984, 19466230, 22247120, 31145968, 38932460, 77864920, 155729840]

約数ペア:

[(1, 155729840), (2, 77864920), (4, 38932460), (5, 31145968), (7, 22247120), (8, 19466230), (10, 15572984), (14, 11123560), (16, 9733115), (20, 7786492), (28, 5561780), (35, 4449424), (40, 3893246), (49, 3178160), (56, 2780890), (70, 2224712), (80, 1946623), (98, 1589080), (112, 1390445), (140, 1112356), (196, 794540), (245, 635632), (280, 556178), (392, 397270), (490, 317816), (560, 278089), (784, 198635), (980, 158908), (1960, 79454), (3920, 39727)]