278718720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{10369}}^1$

素因数の和:10400

約数の個数: 144

約数和(自身を含む): 1017421440

約数和(自身を除く): 738702720

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, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 10369, 13440, 20738, 26880, 31107, 41476, 51845, 62214, 72583, 82952, 103690, 124428, 145166, 155535, 165904, 207380, 217749, 248856, 290332, 311070, 331808, 362915, 414760, 435498, 497712, 580664, 622140, 663616, 725830, 829520, 870996, 995424, 1088745, 1161328, 1244280, 1327232, 1451660, 1659040, 1741992, 1990848, 2177490, 2322656, 2488560, 2654464, 2903320, 3318080, 3483984, 3981696, 4354980, 4645312, 4977120, 5806640, 6636160, 6967968, 7963392, 8709960, 9290624, 9954240, 11613280, 13272320, 13935936, 17419920, 18581248, 19908480, 23226560, 27871872, 34839840, 39816960, 46453120, 55743744, 69679680, 92906240, 139359360, 278718720]

約数ペア:

[(1, 278718720), (2, 139359360), (3, 92906240), (4, 69679680), (5, 55743744), (6, 46453120), (7, 39816960), (8, 34839840), (10, 27871872), (12, 23226560), (14, 19908480), (15, 18581248), (16, 17419920), (20, 13935936), (21, 13272320), (24, 11613280), (28, 9954240), (30, 9290624), (32, 8709960), (35, 7963392), (40, 6967968), (42, 6636160), (48, 5806640), (56, 4977120), (60, 4645312), (64, 4354980), (70, 3981696), (80, 3483984), (84, 3318080), (96, 2903320), (105, 2654464), (112, 2488560), (120, 2322656), (128, 2177490), (140, 1990848), (160, 1741992), (168, 1659040), (192, 1451660), (210, 1327232), (224, 1244280), (240, 1161328), (256, 1088745), (280, 995424), (320, 870996), (336, 829520), (384, 725830), (420, 663616), (448, 622140), (480, 580664), (560, 497712), (640, 435498), (672, 414760), (768, 362915), (840, 331808), (896, 311070), (960, 290332), (1120, 248856), (1280, 217749), (1344, 207380), (1680, 165904), (1792, 155535), (1920, 145166), (2240, 124428), (2688, 103690), (3360, 82952), (3840, 72583), (4480, 62214), (5376, 51845), (6720, 41476), (8960, 31107), (10369, 26880), (13440, 20738)]