131388540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70639}}^1$

素因数の和:70682

約数の個数: 48

約数和(自身を含む): 379760640

約数和(自身を除く): 248372100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 70639, 141278, 211917, 282556, 353195, 423834, 706390, 847668, 1059585, 1412780, 2119170, 2189809, 4238340, 4379618, 6569427, 8759236, 10949045, 13138854, 21898090, 26277708, 32847135, 43796180, 65694270, 131388540]

約数ペア:

[(1, 131388540), (2, 65694270), (3, 43796180), (4, 32847135), (5, 26277708), (6, 21898090), (10, 13138854), (12, 10949045), (15, 8759236), (20, 6569427), (30, 4379618), (31, 4238340), (60, 2189809), (62, 2119170), (93, 1412780), (124, 1059585), (155, 847668), (186, 706390), (310, 423834), (372, 353195), (465, 282556), (620, 211917), (930, 141278), (1860, 70639)]