8215680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 28641600

約数和(自身を除く): 20425920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 389, 440, 480, 528, 640, 660, 704, 778, 880, 960, 1056, 1167, 1320, 1408, 1556, 1760, 1920, 1945, 2112, 2334, 2640, 3112, 3520, 3890, 4224, 4279, 4668, 5280, 5835, 6224, 7040, 7780, 8558, 9336, 10560, 11670, 12448, 12837, 15560, 17116, 18672, 21120, 21395, 23340, 24896, 25674, 31120, 34232, 37344, 42790, 46680, 49792, 51348, 62240, 64185, 68464, 74688, 85580, 93360, 102696, 124480, 128370, 136928, 149376, 171160, 186720, 205392, 248960, 256740, 273856, 342320, 373440, 410784, 513480, 547712, 684640, 746880, 821568, 1026960, 1369280, 1643136, 2053920, 2738560, 4107840, 8215680]

約数ペア:

[(1, 8215680), (2, 4107840), (3, 2738560), (4, 2053920), (5, 1643136), (6, 1369280), (8, 1026960), (10, 821568), (11, 746880), (12, 684640), (15, 547712), (16, 513480), (20, 410784), (22, 373440), (24, 342320), (30, 273856), (32, 256740), (33, 248960), (40, 205392), (44, 186720), (48, 171160), (55, 149376), (60, 136928), (64, 128370), (66, 124480), (80, 102696), (88, 93360), (96, 85580), (110, 74688), (120, 68464), (128, 64185), (132, 62240), (160, 51348), (165, 49792), (176, 46680), (192, 42790), (220, 37344), (240, 34232), (264, 31120), (320, 25674), (330, 24896), (352, 23340), (384, 21395), (389, 21120), (440, 18672), (480, 17116), (528, 15560), (640, 12837), (660, 12448), (704, 11670), (778, 10560), (880, 9336), (960, 8558), (1056, 7780), (1167, 7040), (1320, 6224), (1408, 5835), (1556, 5280), (1760, 4668), (1920, 4279), (1945, 4224), (2112, 3890), (2334, 3520), (2640, 3112)]