1287797760

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{27947}}^1$

素因数の和:27978

約数の個数: 132

約数和(自身を含む): 4462345368

約数和(自身を除く): 3174547608

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, 27947, 46080, 55894, 83841, 111788, 139735, 167682, 223576, 251523, 279470, 335364, 419205, 447152, 503046, 558940, 670728, 838410, 894304, 1006092, 1117880, 1257615, 1341456, 1676820, 1788608, 2012184, 2235760, 2515230, 2682912, 3353640, 3577216, 4024368, 4471520, 5030460, 5365824, 6707280, 7154432, 8048736, 8943040, 10060920, 10731648, 13414560, 14308864, 16097472, 17886080, 20121840, 21463296, 26829120, 28617728, 32194944, 35772160, 40243680, 42926592, 53658240, 64389888, 71544320, 80487360, 85853184, 107316480, 128779776, 143088640, 160974720, 214632960, 257559552, 321949440, 429265920, 643898880, 1287797760]

約数ペア:

[(1, 1287797760), (2, 643898880), (3, 429265920), (4, 321949440), (5, 257559552), (6, 214632960), (8, 160974720), (9, 143088640), (10, 128779776), (12, 107316480), (15, 85853184), (16, 80487360), (18, 71544320), (20, 64389888), (24, 53658240), (30, 42926592), (32, 40243680), (36, 35772160), (40, 32194944), (45, 28617728), (48, 26829120), (60, 21463296), (64, 20121840), (72, 17886080), (80, 16097472), (90, 14308864), (96, 13414560), (120, 10731648), (128, 10060920), (144, 8943040), (160, 8048736), (180, 7154432), (192, 6707280), (240, 5365824), (256, 5030460), (288, 4471520), (320, 4024368), (360, 3577216), (384, 3353640), (480, 2682912), (512, 2515230), (576, 2235760), (640, 2012184), (720, 1788608), (768, 1676820), (960, 1341456), (1024, 1257615), (1152, 1117880), (1280, 1006092), (1440, 894304), (1536, 838410), (1920, 670728), (2304, 558940), (2560, 503046), (2880, 447152), (3072, 419205), (3840, 335364), (4608, 279470), (5120, 251523), (5760, 223576), (7680, 167682), (9216, 139735), (11520, 111788), (15360, 83841), (23040, 55894), (27947, 46080)]