720640555089

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5413}}^1\times {\mathrm{15731}}^1$

素因数の和:21198

約数の個数: 64

約数和(自身を含む): 1221040816128

約数和(自身を除く): 500400261039

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 5413, 8463, 15731, 16239, 37891, 47193, 70369, 110117, 113673, 167803, 204503, 211107, 330351, 487661, 492583, 503409, 613509, 1174621, 1431521, 1462983, 1477749, 2181439, 3413627, 3523863, 4294563, 6339593, 6544317, 10240881, 15270073, 19018779, 44377151, 45810219, 85151903, 133131453, 255455709, 596063321, 1106974739, 1788189963, 2639708993, 3320924217, 7748823173, 7919126979, 18477962951, 23246469519, 34316216909, 55433888853, 102948650727, 240213518363, 720640555089]

約数ペア:

[(1, 720640555089), (3, 240213518363), (7, 102948650727), (13, 55433888853), (21, 34316216909), (31, 23246469519), (39, 18477962951), (91, 7919126979), (93, 7748823173), (217, 3320924217), (273, 2639708993), (403, 1788189963), (651, 1106974739), (1209, 596063321), (2821, 255455709), (5413, 133131453), (8463, 85151903), (15731, 45810219), (16239, 44377151), (37891, 19018779), (47193, 15270073), (70369, 10240881), (110117, 6544317), (113673, 6339593), (167803, 4294563), (204503, 3523863), (211107, 3413627), (330351, 2181439), (487661, 1477749), (492583, 1462983), (503409, 1431521), (613509, 1174621)]