399106560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:514

約数の個数: 160

約数和(自身を含む): 1287899712

約数和(自身を除く): 888793152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 256, 314, 320, 331, 384, 471, 480, 512, 628, 640, 662, 768, 785, 942, 960, 993, 1256, 1280, 1324, 1536, 1570, 1655, 1884, 1920, 1986, 2355, 2512, 2560, 2648, 3140, 3310, 3768, 3840, 3972, 4710, 4965, 5024, 5296, 6280, 6620, 7536, 7680, 7944, 9420, 9930, 10048, 10592, 12560, 13240, 15072, 15888, 18840, 19860, 20096, 21184, 25120, 26480, 30144, 31776, 37680, 39720, 40192, 42368, 50240, 51967, 52960, 60288, 63552, 75360, 79440, 80384, 84736, 100480, 103934, 105920, 120576, 127104, 150720, 155901, 158880, 169472, 200960, 207868, 211840, 241152, 254208, 259835, 301440, 311802, 317760, 401920, 415736, 423680, 508416, 519670, 602880, 623604, 635520, 779505, 831472, 847360, 1039340, 1205760, 1247208, 1271040, 1559010, 1662944, 2078680, 2494416, 2542080, 3118020, 3325888, 4157360, 4988832, 6236040, 6651776, 8314720, 9977664, 12472080, 13303552, 16629440, 19955328, 24944160, 26607104, 33258880, 39910656, 49888320, 66517760, 79821312, 99776640, 133035520, 199553280, 399106560]

約数ペア:

[(1, 399106560), (2, 199553280), (3, 133035520), (4, 99776640), (5, 79821312), (6, 66517760), (8, 49888320), (10, 39910656), (12, 33258880), (15, 26607104), (16, 24944160), (20, 19955328), (24, 16629440), (30, 13303552), (32, 12472080), (40, 9977664), (48, 8314720), (60, 6651776), (64, 6236040), (80, 4988832), (96, 4157360), (120, 3325888), (128, 3118020), (157, 2542080), (160, 2494416), (192, 2078680), (240, 1662944), (256, 1559010), (314, 1271040), (320, 1247208), (331, 1205760), (384, 1039340), (471, 847360), (480, 831472), (512, 779505), (628, 635520), (640, 623604), (662, 602880), (768, 519670), (785, 508416), (942, 423680), (960, 415736), (993, 401920), (1256, 317760), (1280, 311802), (1324, 301440), (1536, 259835), (1570, 254208), (1655, 241152), (1884, 211840), (1920, 207868), (1986, 200960), (2355, 169472), (2512, 158880), (2560, 155901), (2648, 150720), (3140, 127104), (3310, 120576), (3768, 105920), (3840, 103934), (3972, 100480), (4710, 84736), (4965, 80384), (5024, 79440), (5296, 75360), (6280, 63552), (6620, 60288), (7536, 52960), (7680, 51967), (7944, 50240), (9420, 42368), (9930, 40192), (10048, 39720), (10592, 37680), (12560, 31776), (13240, 30144), (15072, 26480), (15888, 25120), (18840, 21184), (19860, 20096)]