12865280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:86

約数の個数: 108

約数和(自身を含む): 33909960

約数和(自身を除く): 21044680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 256, 304, 320, 368, 380, 437, 460, 529, 608, 640, 736, 760, 874, 920, 1058, 1216, 1280, 1472, 1520, 1748, 1840, 2116, 2185, 2432, 2645, 2944, 3040, 3496, 3680, 4232, 4370, 4864, 5290, 5888, 6080, 6992, 7360, 8464, 8740, 10051, 10580, 12160, 13984, 14720, 16928, 17480, 20102, 21160, 24320, 27968, 29440, 33856, 34960, 40204, 42320, 50255, 55936, 67712, 69920, 80408, 84640, 100510, 111872, 135424, 139840, 160816, 169280, 201020, 279680, 321632, 338560, 402040, 559360, 643264, 677120, 804080, 1286528, 1608160, 2573056, 3216320, 6432640, 12865280]

約数ペア:

[(1, 12865280), (2, 6432640), (4, 3216320), (5, 2573056), (8, 1608160), (10, 1286528), (16, 804080), (19, 677120), (20, 643264), (23, 559360), (32, 402040), (38, 338560), (40, 321632), (46, 279680), (64, 201020), (76, 169280), (80, 160816), (92, 139840), (95, 135424), (115, 111872), (128, 100510), (152, 84640), (160, 80408), (184, 69920), (190, 67712), (230, 55936), (256, 50255), (304, 42320), (320, 40204), (368, 34960), (380, 33856), (437, 29440), (460, 27968), (529, 24320), (608, 21160), (640, 20102), (736, 17480), (760, 16928), (874, 14720), (920, 13984), (1058, 12160), (1216, 10580), (1280, 10051), (1472, 8740), (1520, 8464), (1748, 7360), (1840, 6992), (2116, 6080), (2185, 5888), (2432, 5290), (2645, 4864), (2944, 4370), (3040, 4232), (3496, 3680)]