15439240920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{512591}}^1$

素因数の和:512856

約数の個数: 64

約数和(自身を含む): 46502346240

約数和(自身を除く): 31063105320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 7530, 10040, 15060, 30120, 512591, 1025182, 1537773, 2050364, 2562955, 3075546, 4100728, 5125910, 6151092, 7688865, 10251820, 12302184, 15377730, 20503640, 30755460, 61510920, 128660341, 257320682, 385981023, 514641364, 643301705, 771962046, 1029282728, 1286603410, 1543924092, 1929905115, 2573206820, 3087848184, 3859810230, 5146413640, 7719620460, 15439240920]

約数ペア:

[(1, 15439240920), (2, 7719620460), (3, 5146413640), (4, 3859810230), (5, 3087848184), (6, 2573206820), (8, 1929905115), (10, 1543924092), (12, 1286603410), (15, 1029282728), (20, 771962046), (24, 643301705), (30, 514641364), (40, 385981023), (60, 257320682), (120, 128660341), (251, 61510920), (502, 30755460), (753, 20503640), (1004, 15377730), (1255, 12302184), (1506, 10251820), (2008, 7688865), (2510, 6151092), (3012, 5125910), (3765, 4100728), (5020, 3075546), (6024, 2562955), (7530, 2050364), (10040, 1537773), (15060, 1025182), (30120, 512591)]