1615351780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{129643}}^1$

素因数の和:129748

約数の個数: 48

約数和(自身を含む): 3920434560

約数和(自身を除く): 2305082780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 129643, 259286, 518572, 648215, 907501, 1296430, 1815002, 2592860, 3630004, 4537505, 9075010, 11538227, 18150020, 23076454, 46152908, 57691135, 80767589, 115382270, 161535178, 230764540, 323070356, 403837945, 807675890, 1615351780]

約数ペア:

[(1, 1615351780), (2, 807675890), (4, 403837945), (5, 323070356), (7, 230764540), (10, 161535178), (14, 115382270), (20, 80767589), (28, 57691135), (35, 46152908), (70, 23076454), (89, 18150020), (140, 11538227), (178, 9075010), (356, 4537505), (445, 3630004), (623, 2592860), (890, 1815002), (1246, 1296430), (1780, 907501), (2492, 648215), (3115, 518572), (6230, 259286), (12460, 129643)]