1285110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 3397680

約数和(自身を除く): 2112570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 131, 218, 262, 327, 393, 545, 654, 655, 786, 981, 1090, 1179, 1310, 1635, 1962, 1965, 2358, 3270, 3930, 4905, 5895, 9810, 11790, 14279, 28558, 42837, 71395, 85674, 128511, 142790, 214185, 257022, 428370, 642555, 1285110]

約数ペア:

[(1, 1285110), (2, 642555), (3, 428370), (5, 257022), (6, 214185), (9, 142790), (10, 128511), (15, 85674), (18, 71395), (30, 42837), (45, 28558), (90, 14279), (109, 11790), (131, 9810), (218, 5895), (262, 4905), (327, 3930), (393, 3270), (545, 2358), (654, 1965), (655, 1962), (786, 1635), (981, 1310), (1090, 1179)]