28039680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{1217}}^1$

素因数の和:1246

約数の個数: 120

約数和(自身を含む): 97189092

約数和(自身を除く): 69149412

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1217, 1280, 1440, 1536, 1920, 2304, 2434, 2560, 2880, 3651, 3840, 4608, 4868, 5760, 6085, 7302, 7680, 9736, 10953, 11520, 12170, 14604, 18255, 19472, 21906, 23040, 24340, 29208, 36510, 38944, 43812, 48680, 54765, 58416, 73020, 77888, 87624, 97360, 109530, 116832, 146040, 155776, 175248, 194720, 219060, 233664, 292080, 311552, 350496, 389440, 438120, 467328, 584160, 623104, 700992, 778880, 876240, 934656, 1168320, 1401984, 1557760, 1752480, 1869312, 2336640, 2803968, 3115520, 3504960, 4673280, 5607936, 7009920, 9346560, 14019840, 28039680]

約数ペア:

[(1, 28039680), (2, 14019840), (3, 9346560), (4, 7009920), (5, 5607936), (6, 4673280), (8, 3504960), (9, 3115520), (10, 2803968), (12, 2336640), (15, 1869312), (16, 1752480), (18, 1557760), (20, 1401984), (24, 1168320), (30, 934656), (32, 876240), (36, 778880), (40, 700992), (45, 623104), (48, 584160), (60, 467328), (64, 438120), (72, 389440), (80, 350496), (90, 311552), (96, 292080), (120, 233664), (128, 219060), (144, 194720), (160, 175248), (180, 155776), (192, 146040), (240, 116832), (256, 109530), (288, 97360), (320, 87624), (360, 77888), (384, 73020), (480, 58416), (512, 54765), (576, 48680), (640, 43812), (720, 38944), (768, 36510), (960, 29208), (1152, 24340), (1217, 23040), (1280, 21906), (1440, 19472), (1536, 18255), (1920, 14604), (2304, 12170), (2434, 11520), (2560, 10953), (2880, 9736), (3651, 7680), (3840, 7302), (4608, 6085), (4868, 5760)]