688385340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{24359}}^1$

素因数の和:24531

約数の個数: 72

約数和(自身を含む): 2101488480

約数和(自身を除く): 1413103140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 9420, 14130, 24359, 28260, 48718, 73077, 97436, 121795, 146154, 219231, 243590, 292308, 365385, 438462, 487180, 730770, 876924, 1096155, 1461540, 2192310, 3824363, 4384620, 7648726, 11473089, 15297452, 19121815, 22946178, 34419267, 38243630, 45892356, 57365445, 68838534, 76487260, 114730890, 137677068, 172096335, 229461780, 344192670, 688385340]

約数ペア:

[(1, 688385340), (2, 344192670), (3, 229461780), (4, 172096335), (5, 137677068), (6, 114730890), (9, 76487260), (10, 68838534), (12, 57365445), (15, 45892356), (18, 38243630), (20, 34419267), (30, 22946178), (36, 19121815), (45, 15297452), (60, 11473089), (90, 7648726), (157, 4384620), (180, 3824363), (314, 2192310), (471, 1461540), (628, 1096155), (785, 876924), (942, 730770), (1413, 487180), (1570, 438462), (1884, 365385), (2355, 292308), (2826, 243590), (3140, 219231), (4710, 146154), (5652, 121795), (7065, 97436), (9420, 73077), (14130, 48718), (24359, 28260)]