68812800

素因数分解:

$2^{17}\times 3^1\times 5^2\times 7^1$

素因数の和:54

約数の個数: 216

約数和(自身を含む): 260045856

約数和(自身を除く): 191233056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 256, 280, 300, 320, 336, 350, 384, 400, 420, 448, 480, 512, 525, 560, 600, 640, 672, 700, 768, 800, 840, 896, 960, 1024, 1050, 1120, 1200, 1280, 1344, 1400, 1536, 1600, 1680, 1792, 1920, 2048, 2100, 2240, 2400, 2560, 2688, 2800, 3072, 3200, 3360, 3584, 3840, 4096, 4200, 4480, 4800, 5120, 5376, 5600, 6144, 6400, 6720, 7168, 7680, 8192, 8400, 8960, 9600, 10240, 10752, 11200, 12288, 12800, 13440, 14336, 15360, 16384, 16800, 17920, 19200, 20480, 21504, 22400, 24576, 25600, 26880, 28672, 30720, 32768, 33600, 35840, 38400, 40960, 43008, 44800, 49152, 51200, 53760, 57344, 61440, 65536, 67200, 71680, 76800, 81920, 86016, 89600, 98304, 102400, 107520, 114688, 122880, 131072, 134400, 143360, 153600, 163840, 172032, 179200, 196608, 204800, 215040, 229376, 245760, 268800, 286720, 307200, 327680, 344064, 358400, 393216, 409600, 430080, 458752, 491520, 537600, 573440, 614400, 655360, 688128, 716800, 819200, 860160, 917504, 983040, 1075200, 1146880, 1228800, 1376256, 1433600, 1638400, 1720320, 1966080, 2150400, 2293760, 2457600, 2752512, 2867200, 3276800, 3440640, 4300800, 4587520, 4915200, 5734400, 6881280, 8601600, 9830400, 11468800, 13762560, 17203200, 22937600, 34406400, 68812800]

約数ペア:

[(1, 68812800), (2, 34406400), (3, 22937600), (4, 17203200), (5, 13762560), (6, 11468800), (7, 9830400), (8, 8601600), (10, 6881280), (12, 5734400), (14, 4915200), (15, 4587520), (16, 4300800), (20, 3440640), (21, 3276800), (24, 2867200), (25, 2752512), (28, 2457600), (30, 2293760), (32, 2150400), (35, 1966080), (40, 1720320), (42, 1638400), (48, 1433600), (50, 1376256), (56, 1228800), (60, 1146880), (64, 1075200), (70, 983040), (75, 917504), (80, 860160), (84, 819200), (96, 716800), (100, 688128), (105, 655360), (112, 614400), (120, 573440), (128, 537600), (140, 491520), (150, 458752), (160, 430080), (168, 409600), (175, 393216), (192, 358400), (200, 344064), (210, 327680), (224, 307200), (240, 286720), (256, 268800), (280, 245760), (300, 229376), (320, 215040), (336, 204800), (350, 196608), (384, 179200), (400, 172032), (420, 163840), (448, 153600), (480, 143360), (512, 134400), (525, 131072), (560, 122880), (600, 114688), (640, 107520), (672, 102400), (700, 98304), (768, 89600), (800, 86016), (840, 81920), (896, 76800), (960, 71680), (1024, 67200), (1050, 65536), (1120, 61440), (1200, 57344), (1280, 53760), (1344, 51200), (1400, 49152), (1536, 44800), (1600, 43008), (1680, 40960), (1792, 38400), (1920, 35840), (2048, 33600), (2100, 32768), (2240, 30720), (2400, 28672), (2560, 26880), (2688, 25600), (2800, 24576), (3072, 22400), (3200, 21504), (3360, 20480), (3584, 19200), (3840, 17920), (4096, 16800), (4200, 16384), (4480, 15360), (4800, 14336), (5120, 13440), (5376, 12800), (5600, 12288), (6144, 11200), (6400, 10752), (6720, 10240), (7168, 9600), (7680, 8960), (8192, 8400)]