4645720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 11135520

約数和(自身を除く): 6489800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 73, 74, 86, 146, 148, 172, 185, 215, 292, 296, 344, 365, 370, 430, 584, 730, 740, 860, 1460, 1480, 1591, 1720, 2701, 2920, 3139, 3182, 5402, 6278, 6364, 7955, 10804, 12556, 12728, 13505, 15695, 15910, 21608, 25112, 27010, 31390, 31820, 54020, 62780, 63640, 108040, 116143, 125560, 232286, 464572, 580715, 929144, 1161430, 2322860, 4645720]

約数ペア:

[(1, 4645720), (2, 2322860), (4, 1161430), (5, 929144), (8, 580715), (10, 464572), (20, 232286), (37, 125560), (40, 116143), (43, 108040), (73, 63640), (74, 62780), (86, 54020), (146, 31820), (148, 31390), (172, 27010), (185, 25112), (215, 21608), (292, 15910), (296, 15695), (344, 13505), (365, 12728), (370, 12556), (430, 10804), (584, 7955), (730, 6364), (740, 6278), (860, 5402), (1460, 3182), (1480, 3139), (1591, 2920), (1720, 2701)]