2015231778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{5171}}^1$

素因数の和:6220

約数の個数: 64

約数和(自身を含む): 5124003840

約数和(自身を除く): 3108772062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1031, 2062, 3093, 5171, 6186, 7217, 9279, 10342, 14434, 15513, 18558, 21651, 27837, 31026, 36197, 43302, 46539, 55674, 64953, 72394, 93078, 108591, 129906, 139617, 194859, 217182, 279234, 325773, 389718, 651546, 977319, 1954638, 5331301, 10662602, 15993903, 31987806, 37319107, 47981709, 74638214, 95963418, 111957321, 143945127, 223914642, 287890254, 335871963, 671743926, 1007615889, 2015231778]

約数ペア:

[(1, 2015231778), (2, 1007615889), (3, 671743926), (6, 335871963), (7, 287890254), (9, 223914642), (14, 143945127), (18, 111957321), (21, 95963418), (27, 74638214), (42, 47981709), (54, 37319107), (63, 31987806), (126, 15993903), (189, 10662602), (378, 5331301), (1031, 1954638), (2062, 977319), (3093, 651546), (5171, 389718), (6186, 325773), (7217, 279234), (9279, 217182), (10342, 194859), (14434, 139617), (15513, 129906), (18558, 108591), (21651, 93078), (27837, 72394), (31026, 64953), (36197, 55674), (43302, 46539)]