1302406960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1\times {\mathrm{491}}^1$

素因数の和:1042

約数の個数: 80

約数和(自身を含む): 3083588352

約数和(自身を除く): 1781181392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 467, 491, 568, 710, 934, 982, 1136, 1420, 1868, 1964, 2335, 2455, 2840, 3736, 3928, 4670, 4910, 5680, 7472, 7856, 9340, 9820, 18680, 19640, 33157, 34861, 37360, 39280, 66314, 69722, 132628, 139444, 165785, 174305, 229297, 265256, 278888, 331570, 348610, 458594, 530512, 557776, 663140, 697220, 917188, 1146485, 1326280, 1394440, 1834376, 2292970, 2652560, 2788880, 3668752, 4585940, 9171880, 16280087, 18343760, 32560174, 65120348, 81400435, 130240696, 162800870, 260481392, 325601740, 651203480, 1302406960]

約数ペア:

[(1, 1302406960), (2, 651203480), (4, 325601740), (5, 260481392), (8, 162800870), (10, 130240696), (16, 81400435), (20, 65120348), (40, 32560174), (71, 18343760), (80, 16280087), (142, 9171880), (284, 4585940), (355, 3668752), (467, 2788880), (491, 2652560), (568, 2292970), (710, 1834376), (934, 1394440), (982, 1326280), (1136, 1146485), (1420, 917188), (1868, 697220), (1964, 663140), (2335, 557776), (2455, 530512), (2840, 458594), (3736, 348610), (3928, 331570), (4670, 278888), (4910, 265256), (5680, 229297), (7472, 174305), (7856, 165785), (9340, 139444), (9820, 132628), (18680, 69722), (19640, 66314), (33157, 39280), (34861, 37360)]