278423040

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{5179}}^1$

素因数の和:5212

約数の個数: 160

約数和(自身を含む): 1017434880

約数和(自身を除く): 739011840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5179, 5376, 6720, 7680, 8960, 10358, 10752, 13440, 15537, 17920, 20716, 25895, 26880, 31074, 36253, 41432, 51790, 53760, 62148, 72506, 77685, 82864, 103580, 108759, 124296, 145012, 155370, 165728, 181265, 207160, 217518, 248592, 290024, 310740, 331456, 362530, 414320, 435036, 497184, 543795, 580048, 621480, 662912, 725060, 828640, 870072, 994368, 1087590, 1160096, 1242960, 1325824, 1450120, 1657280, 1740144, 1988736, 2175180, 2320192, 2485920, 2651648, 2900240, 3314560, 3480288, 3977472, 4350360, 4640384, 4971840, 5800480, 6629120, 6960576, 7954944, 8700720, 9280768, 9943680, 11600960, 13258240, 13921152, 17401440, 18561536, 19887360, 23201920, 27842304, 34802880, 39774720, 46403840, 55684608, 69605760, 92807680, 139211520, 278423040]

約数ペア:

[(1, 278423040), (2, 139211520), (3, 92807680), (4, 69605760), (5, 55684608), (6, 46403840), (7, 39774720), (8, 34802880), (10, 27842304), (12, 23201920), (14, 19887360), (15, 18561536), (16, 17401440), (20, 13921152), (21, 13258240), (24, 11600960), (28, 9943680), (30, 9280768), (32, 8700720), (35, 7954944), (40, 6960576), (42, 6629120), (48, 5800480), (56, 4971840), (60, 4640384), (64, 4350360), (70, 3977472), (80, 3480288), (84, 3314560), (96, 2900240), (105, 2651648), (112, 2485920), (120, 2320192), (128, 2175180), (140, 1988736), (160, 1740144), (168, 1657280), (192, 1450120), (210, 1325824), (224, 1242960), (240, 1160096), (256, 1087590), (280, 994368), (320, 870072), (336, 828640), (384, 725060), (420, 662912), (448, 621480), (480, 580048), (512, 543795), (560, 497184), (640, 435036), (672, 414320), (768, 362530), (840, 331456), (896, 310740), (960, 290024), (1120, 248592), (1280, 217518), (1344, 207160), (1536, 181265), (1680, 165728), (1792, 155370), (1920, 145012), (2240, 124296), (2560, 108759), (2688, 103580), (3360, 82864), (3584, 77685), (3840, 72506), (4480, 62148), (5179, 53760), (5376, 51790), (6720, 41432), (7680, 36253), (8960, 31074), (10358, 26880), (10752, 25895), (13440, 20716), (15537, 17920)]