1279779840

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{27773}}^1$

素因数の和:27804

約数の個数: 132

約数和(自身を含む): 4434563484

約数和(自身を除く): 3154783644

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, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 7680, 9216, 11520, 15360, 23040, 27773, 46080, 55546, 83319, 111092, 138865, 166638, 222184, 249957, 277730, 333276, 416595, 444368, 499914, 555460, 666552, 833190, 888736, 999828, 1110920, 1249785, 1333104, 1666380, 1777472, 1999656, 2221840, 2499570, 2666208, 3332760, 3554944, 3999312, 4443680, 4999140, 5332416, 6665520, 7109888, 7998624, 8887360, 9998280, 10664832, 13331040, 14219776, 15997248, 17774720, 19996560, 21329664, 26662080, 28439552, 31994496, 35549440, 39993120, 42659328, 53324160, 63988992, 71098880, 79986240, 85318656, 106648320, 127977984, 142197760, 159972480, 213296640, 255955968, 319944960, 426593280, 639889920, 1279779840]

約数ペア:

[(1, 1279779840), (2, 639889920), (3, 426593280), (4, 319944960), (5, 255955968), (6, 213296640), (8, 159972480), (9, 142197760), (10, 127977984), (12, 106648320), (15, 85318656), (16, 79986240), (18, 71098880), (20, 63988992), (24, 53324160), (30, 42659328), (32, 39993120), (36, 35549440), (40, 31994496), (45, 28439552), (48, 26662080), (60, 21329664), (64, 19996560), (72, 17774720), (80, 15997248), (90, 14219776), (96, 13331040), (120, 10664832), (128, 9998280), (144, 8887360), (160, 7998624), (180, 7109888), (192, 6665520), (240, 5332416), (256, 4999140), (288, 4443680), (320, 3999312), (360, 3554944), (384, 3332760), (480, 2666208), (512, 2499570), (576, 2221840), (640, 1999656), (720, 1777472), (768, 1666380), (960, 1333104), (1024, 1249785), (1152, 1110920), (1280, 999828), (1440, 888736), (1536, 833190), (1920, 666552), (2304, 555460), (2560, 499914), (2880, 444368), (3072, 416595), (3840, 333276), (4608, 277730), (5120, 249957), (5760, 222184), (7680, 166638), (9216, 138865), (11520, 111092), (15360, 83319), (23040, 55546), (27773, 46080)]