68565680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 170227200

約数和(自身を除く): 101661520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 571, 632, 760, 790, 1142, 1264, 1501, 1520, 1580, 2284, 2855, 3002, 3160, 4568, 5710, 6004, 6320, 7505, 9136, 10849, 11420, 12008, 15010, 21698, 22840, 24016, 30020, 43396, 45109, 45680, 54245, 60040, 86792, 90218, 108490, 120080, 173584, 180436, 216980, 225545, 360872, 433960, 451090, 721744, 857071, 867920, 902180, 1714142, 1804360, 3428284, 3608720, 4285355, 6856568, 8570710, 13713136, 17141420, 34282840, 68565680]

約数ペア:

[(1, 68565680), (2, 34282840), (4, 17141420), (5, 13713136), (8, 8570710), (10, 6856568), (16, 4285355), (19, 3608720), (20, 3428284), (38, 1804360), (40, 1714142), (76, 902180), (79, 867920), (80, 857071), (95, 721744), (152, 451090), (158, 433960), (190, 360872), (304, 225545), (316, 216980), (380, 180436), (395, 173584), (571, 120080), (632, 108490), (760, 90218), (790, 86792), (1142, 60040), (1264, 54245), (1501, 45680), (1520, 45109), (1580, 43396), (2284, 30020), (2855, 24016), (3002, 22840), (3160, 21698), (4568, 15010), (5710, 12008), (6004, 11420), (6320, 10849), (7505, 9136)]