318585280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 168

約数和(自身を含む): 846716112

約数和(自身を除く): 528130832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 137, 160, 169, 172, 208, 215, 260, 274, 320, 338, 344, 416, 430, 520, 548, 559, 676, 685, 688, 832, 845, 860, 1040, 1096, 1118, 1352, 1370, 1376, 1690, 1720, 1781, 2080, 2192, 2236, 2704, 2740, 2752, 2795, 3380, 3440, 3562, 4160, 4384, 4472, 5408, 5480, 5590, 5891, 6760, 6880, 7124, 7267, 8768, 8905, 8944, 10816, 10960, 11180, 11782, 13520, 13760, 14248, 14534, 17810, 17888, 21920, 22360, 23153, 23564, 27040, 28496, 29068, 29455, 35620, 35776, 36335, 43840, 44720, 46306, 47128, 54080, 56992, 58136, 58910, 71240, 72670, 76583, 89440, 92612, 94256, 113984, 115765, 116272, 117820, 142480, 145340, 153166, 178880, 185224, 188512, 231530, 232544, 235640, 284960, 290680, 306332, 370448, 377024, 382915, 463060, 465088, 471280, 569920, 581360, 612664, 740896, 765830, 926120, 942560, 995579, 1162720, 1225328, 1481792, 1531660, 1852240, 1885120, 1991158, 2325440, 2450656, 3063320, 3704480, 3982316, 4901312, 4977895, 6126640, 7408960, 7964632, 9955790, 12253280, 15929264, 19911580, 24506560, 31858528, 39823160, 63717056, 79646320, 159292640, 318585280]

約数ペア:

[(1, 318585280), (2, 159292640), (4, 79646320), (5, 63717056), (8, 39823160), (10, 31858528), (13, 24506560), (16, 19911580), (20, 15929264), (26, 12253280), (32, 9955790), (40, 7964632), (43, 7408960), (52, 6126640), (64, 4977895), (65, 4901312), (80, 3982316), (86, 3704480), (104, 3063320), (130, 2450656), (137, 2325440), (160, 1991158), (169, 1885120), (172, 1852240), (208, 1531660), (215, 1481792), (260, 1225328), (274, 1162720), (320, 995579), (338, 942560), (344, 926120), (416, 765830), (430, 740896), (520, 612664), (548, 581360), (559, 569920), (676, 471280), (685, 465088), (688, 463060), (832, 382915), (845, 377024), (860, 370448), (1040, 306332), (1096, 290680), (1118, 284960), (1352, 235640), (1370, 232544), (1376, 231530), (1690, 188512), (1720, 185224), (1781, 178880), (2080, 153166), (2192, 145340), (2236, 142480), (2704, 117820), (2740, 116272), (2752, 115765), (2795, 113984), (3380, 94256), (3440, 92612), (3562, 89440), (4160, 76583), (4384, 72670), (4472, 71240), (5408, 58910), (5480, 58136), (5590, 56992), (5891, 54080), (6760, 47128), (6880, 46306), (7124, 44720), (7267, 43840), (8768, 36335), (8905, 35776), (8944, 35620), (10816, 29455), (10960, 29068), (11180, 28496), (11782, 27040), (13520, 23564), (13760, 23153), (14248, 22360), (14534, 21920), (17810, 17888)]