1296988422920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{72551}}^1$

素因数の和:72903

約数の個数: 128

約数和(自身を含む): 3072815170560

約数和(自身を除く): 1775826747640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 257, 296, 370, 376, 470, 514, 740, 940, 1028, 1285, 1480, 1739, 1880, 2056, 2570, 3478, 5140, 6956, 8695, 9509, 10280, 12079, 13912, 17390, 19018, 24158, 34780, 38036, 47545, 48316, 60395, 69560, 72551, 76072, 95090, 96632, 120790, 145102, 190180, 241580, 290204, 362755, 380360, 446923, 483160, 580408, 725510, 893846, 1451020, 1787692, 2234615, 2684387, 2902040, 3409897, 3575384, 4469230, 5368774, 6819794, 8938460, 10737548, 13421935, 13639588, 17049485, 17876920, 18645607, 21475096, 26843870, 27279176, 34098970, 37291214, 53687740, 68197940, 74582428, 93228035, 107375480, 126166189, 136395880, 149164856, 186456070, 252332378, 372912140, 504664756, 630830945, 689887459, 745824280, 876343529, 1009329512, 1261661890, 1379774918, 1752687058, 2523323780, 2759549836, 3449437295, 3505374116, 4381717645, 5046647560, 5519099672, 6898874590, 7010748232, 8763435290, 13797749180, 17526870580, 27595498360, 32424710573, 35053741160, 64849421146, 129698842292, 162123552865, 259397684584, 324247105730, 648494211460, 1296988422920]

約数ペア:

[(1, 1296988422920), (2, 648494211460), (4, 324247105730), (5, 259397684584), (8, 162123552865), (10, 129698842292), (20, 64849421146), (37, 35053741160), (40, 32424710573), (47, 27595498360), (74, 17526870580), (94, 13797749180), (148, 8763435290), (185, 7010748232), (188, 6898874590), (235, 5519099672), (257, 5046647560), (296, 4381717645), (370, 3505374116), (376, 3449437295), (470, 2759549836), (514, 2523323780), (740, 1752687058), (940, 1379774918), (1028, 1261661890), (1285, 1009329512), (1480, 876343529), (1739, 745824280), (1880, 689887459), (2056, 630830945), (2570, 504664756), (3478, 372912140), (5140, 252332378), (6956, 186456070), (8695, 149164856), (9509, 136395880), (10280, 126166189), (12079, 107375480), (13912, 93228035), (17390, 74582428), (19018, 68197940), (24158, 53687740), (34780, 37291214), (38036, 34098970), (47545, 27279176), (48316, 26843870), (60395, 21475096), (69560, 18645607), (72551, 17876920), (76072, 17049485), (95090, 13639588), (96632, 13421935), (120790, 10737548), (145102, 8938460), (190180, 6819794), (241580, 5368774), (290204, 4469230), (362755, 3575384), (380360, 3409897), (446923, 2902040), (483160, 2684387), (580408, 2234615), (725510, 1787692), (893846, 1451020)]