3220120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 7680960

約数和(自身を除く): 4460840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 361, 380, 446, 722, 760, 892, 1115, 1444, 1784, 1805, 2230, 2888, 3610, 4237, 4460, 7220, 8474, 8920, 14440, 16948, 21185, 33896, 42370, 80503, 84740, 161006, 169480, 322012, 402515, 644024, 805030, 1610060, 3220120]

約数ペア:

[(1, 3220120), (2, 1610060), (4, 805030), (5, 644024), (8, 402515), (10, 322012), (19, 169480), (20, 161006), (38, 84740), (40, 80503), (76, 42370), (95, 33896), (152, 21185), (190, 16948), (223, 14440), (361, 8920), (380, 8474), (446, 7220), (722, 4460), (760, 4237), (892, 3610), (1115, 2888), (1444, 2230), (1784, 1805)]