190780720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 488513376

約数和(自身を除く): 297732656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 137, 169, 206, 208, 260, 274, 338, 412, 515, 520, 548, 676, 685, 824, 845, 1030, 1040, 1096, 1339, 1352, 1370, 1648, 1690, 1781, 2060, 2192, 2678, 2704, 2740, 3380, 3562, 4120, 5356, 5480, 6695, 6760, 7124, 8240, 8905, 10712, 10960, 13390, 13520, 14111, 14248, 17407, 17810, 21424, 23153, 26780, 28222, 28496, 34814, 35620, 46306, 53560, 56444, 69628, 70555, 71240, 87035, 92612, 107120, 112888, 115765, 139256, 141110, 142480, 174070, 183443, 185224, 225776, 231530, 278512, 282220, 348140, 366886, 370448, 463060, 564440, 696280, 733772, 917215, 926120, 1128880, 1392560, 1467544, 1834430, 1852240, 2384759, 2935088, 3668860, 4769518, 7337720, 9539036, 11923795, 14675440, 19078072, 23847590, 38156144, 47695180, 95390360, 190780720]

約数ペア:

[(1, 190780720), (2, 95390360), (4, 47695180), (5, 38156144), (8, 23847590), (10, 19078072), (13, 14675440), (16, 11923795), (20, 9539036), (26, 7337720), (40, 4769518), (52, 3668860), (65, 2935088), (80, 2384759), (103, 1852240), (104, 1834430), (130, 1467544), (137, 1392560), (169, 1128880), (206, 926120), (208, 917215), (260, 733772), (274, 696280), (338, 564440), (412, 463060), (515, 370448), (520, 366886), (548, 348140), (676, 282220), (685, 278512), (824, 231530), (845, 225776), (1030, 185224), (1040, 183443), (1096, 174070), (1339, 142480), (1352, 141110), (1370, 139256), (1648, 115765), (1690, 112888), (1781, 107120), (2060, 92612), (2192, 87035), (2678, 71240), (2704, 70555), (2740, 69628), (3380, 56444), (3562, 53560), (4120, 46306), (5356, 35620), (5480, 34814), (6695, 28496), (6760, 28222), (7124, 26780), (8240, 23153), (8905, 21424), (10712, 17810), (10960, 17407), (13390, 14248), (13520, 14111)]