12880480

素因数分解:

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

素因数の和:276

約数の個数: 72

約数和(自身を含む): 32260032

約数和(自身を除く): 19379552

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 223, 304, 361, 380, 446, 608, 722, 760, 892, 1115, 1444, 1520, 1784, 1805, 2230, 2888, 3040, 3568, 3610, 4237, 4460, 5776, 7136, 7220, 8474, 8920, 11552, 14440, 16948, 17840, 21185, 28880, 33896, 35680, 42370, 57760, 67792, 80503, 84740, 135584, 161006, 169480, 322012, 338960, 402515, 644024, 677920, 805030, 1288048, 1610060, 2576096, 3220120, 6440240, 12880480]

約数ペア:

[(1, 12880480), (2, 6440240), (4, 3220120), (5, 2576096), (8, 1610060), (10, 1288048), (16, 805030), (19, 677920), (20, 644024), (32, 402515), (38, 338960), (40, 322012), (76, 169480), (80, 161006), (95, 135584), (152, 84740), (160, 80503), (190, 67792), (223, 57760), (304, 42370), (361, 35680), (380, 33896), (446, 28880), (608, 21185), (722, 17840), (760, 16948), (892, 14440), (1115, 11552), (1444, 8920), (1520, 8474), (1784, 7220), (1805, 7136), (2230, 5776), (2888, 4460), (3040, 4237), (3568, 3610)]