12771840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{1663}}^1$

素因数の和:1689

約数の個数: 80

約数和(自身を含む): 40854528

約数和(自身を除く): 28082688

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, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1663, 1920, 2560, 3326, 3840, 4989, 6652, 7680, 8315, 9978, 13304, 16630, 19956, 24945, 26608, 33260, 39912, 49890, 53216, 66520, 79824, 99780, 106432, 133040, 159648, 199560, 212864, 266080, 319296, 399120, 425728, 532160, 638592, 798240, 851456, 1064320, 1277184, 1596480, 2128640, 2554368, 3192960, 4257280, 6385920, 12771840]

約数ペア:

[(1, 12771840), (2, 6385920), (3, 4257280), (4, 3192960), (5, 2554368), (6, 2128640), (8, 1596480), (10, 1277184), (12, 1064320), (15, 851456), (16, 798240), (20, 638592), (24, 532160), (30, 425728), (32, 399120), (40, 319296), (48, 266080), (60, 212864), (64, 199560), (80, 159648), (96, 133040), (120, 106432), (128, 99780), (160, 79824), (192, 66520), (240, 53216), (256, 49890), (320, 39912), (384, 33260), (480, 26608), (512, 24945), (640, 19956), (768, 16630), (960, 13304), (1280, 9978), (1536, 8315), (1663, 7680), (1920, 6652), (2560, 4989), (3326, 3840)]