2711680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 6854400

約数和(自身を除く): 4142720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 223, 304, 320, 380, 446, 608, 640, 760, 892, 1115, 1216, 1520, 1784, 2230, 2432, 3040, 3568, 4237, 4460, 6080, 7136, 8474, 8920, 12160, 14272, 16948, 17840, 21185, 28544, 33896, 35680, 42370, 67792, 71360, 84740, 135584, 142720, 169480, 271168, 338960, 542336, 677920, 1355840, 2711680]

約数ペア:

[(1, 2711680), (2, 1355840), (4, 677920), (5, 542336), (8, 338960), (10, 271168), (16, 169480), (19, 142720), (20, 135584), (32, 84740), (38, 71360), (40, 67792), (64, 42370), (76, 35680), (80, 33896), (95, 28544), (128, 21185), (152, 17840), (160, 16948), (190, 14272), (223, 12160), (304, 8920), (320, 8474), (380, 7136), (446, 6080), (608, 4460), (640, 4237), (760, 3568), (892, 3040), (1115, 2432), (1216, 2230), (1520, 1784)]