74640285

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 145995696

約数和(自身を除く): 71355411

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 81, 85, 111, 135, 153, 185, 255, 293, 333, 405, 459, 555, 629, 765, 879, 999, 1377, 1465, 1665, 1887, 2295, 2637, 2997, 3145, 4395, 4981, 4995, 5661, 6885, 7911, 9435, 10841, 13185, 14943, 14985, 16983, 23733, 24905, 28305, 32523, 39555, 44829, 50949, 54205, 74715, 84915, 97569, 118665, 134487, 162615, 184297, 224145, 254745, 292707, 403461, 487845, 552891, 672435, 878121, 921485, 1463535, 1658673, 2017305, 2764455, 4390605, 4976019, 8293365, 14928057, 24880095, 74640285]

約数ペア:

[(1, 74640285), (3, 24880095), (5, 14928057), (9, 8293365), (15, 4976019), (17, 4390605), (27, 2764455), (37, 2017305), (45, 1658673), (51, 1463535), (81, 921485), (85, 878121), (111, 672435), (135, 552891), (153, 487845), (185, 403461), (255, 292707), (293, 254745), (333, 224145), (405, 184297), (459, 162615), (555, 134487), (629, 118665), (765, 97569), (879, 84915), (999, 74715), (1377, 54205), (1465, 50949), (1665, 44829), (1887, 39555), (2295, 32523), (2637, 28305), (2997, 24905), (3145, 23733), (4395, 16983), (4981, 14985), (4995, 14943), (5661, 13185), (6885, 10841), (7911, 9435)]