247278720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9942

約数の個数: 128

約数和(自身を含む): 848917440

約数和(自身を除く): 601638720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 9907, 12480, 19814, 24960, 29721, 39628, 49535, 59442, 79256, 99070, 118884, 128791, 148605, 158512, 198140, 237768, 257582, 297210, 317024, 386373, 396280, 475536, 515164, 594420, 634048, 643955, 772746, 792560, 951072, 1030328, 1188840, 1268096, 1287910, 1545492, 1585120, 1902144, 1931865, 2060656, 2377680, 2575820, 3090984, 3170240, 3804288, 3863730, 4121312, 4755360, 5151640, 6181968, 6340480, 7727460, 8242624, 9510720, 10303280, 12363936, 15454920, 16485248, 19021440, 20606560, 24727872, 30909840, 41213120, 49455744, 61819680, 82426240, 123639360, 247278720]

約数ペア:

[(1, 247278720), (2, 123639360), (3, 82426240), (4, 61819680), (5, 49455744), (6, 41213120), (8, 30909840), (10, 24727872), (12, 20606560), (13, 19021440), (15, 16485248), (16, 15454920), (20, 12363936), (24, 10303280), (26, 9510720), (30, 8242624), (32, 7727460), (39, 6340480), (40, 6181968), (48, 5151640), (52, 4755360), (60, 4121312), (64, 3863730), (65, 3804288), (78, 3170240), (80, 3090984), (96, 2575820), (104, 2377680), (120, 2060656), (128, 1931865), (130, 1902144), (156, 1585120), (160, 1545492), (192, 1287910), (195, 1268096), (208, 1188840), (240, 1030328), (260, 951072), (312, 792560), (320, 772746), (384, 643955), (390, 634048), (416, 594420), (480, 515164), (520, 475536), (624, 396280), (640, 386373), (780, 317024), (832, 297210), (960, 257582), (1040, 237768), (1248, 198140), (1560, 158512), (1664, 148605), (1920, 128791), (2080, 118884), (2496, 99070), (3120, 79256), (4160, 59442), (4992, 49535), (6240, 39628), (8320, 29721), (9907, 24960), (12480, 19814)]