1294686720

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{18731}}^1$

素因数の和:18763

約数の個数: 160

約数和(自身を含む): 4599080640

約数和(自身を除く): 3304393920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 11520, 13824, 17280, 18731, 23040, 34560, 37462, 56193, 69120, 74924, 93655, 112386, 149848, 168579, 187310, 224772, 280965, 299696, 337158, 374620, 449544, 505737, 561930, 599392, 674316, 749240, 842895, 899088, 1011474, 1123860, 1198784, 1348632, 1498480, 1685790, 1798176, 2022948, 2247720, 2397568, 2528685, 2697264, 2996960, 3371580, 3596352, 4045896, 4495440, 4795136, 5057370, 5394528, 5993920, 6743160, 7192704, 8091792, 8990880, 9590272, 10114740, 10789056, 11987840, 13486320, 14385408, 16183584, 17981760, 20229480, 21578112, 23975680, 26972640, 28770816, 32367168, 35963520, 40458960, 43156224, 47951360, 53945280, 64734336, 71927040, 80917920, 86312448, 107890560, 129468672, 143854080, 161835840, 215781120, 258937344, 323671680, 431562240, 647343360, 1294686720]

約数ペア:

[(1, 1294686720), (2, 647343360), (3, 431562240), (4, 323671680), (5, 258937344), (6, 215781120), (8, 161835840), (9, 143854080), (10, 129468672), (12, 107890560), (15, 86312448), (16, 80917920), (18, 71927040), (20, 64734336), (24, 53945280), (27, 47951360), (30, 43156224), (32, 40458960), (36, 35963520), (40, 32367168), (45, 28770816), (48, 26972640), (54, 23975680), (60, 21578112), (64, 20229480), (72, 17981760), (80, 16183584), (90, 14385408), (96, 13486320), (108, 11987840), (120, 10789056), (128, 10114740), (135, 9590272), (144, 8990880), (160, 8091792), (180, 7192704), (192, 6743160), (216, 5993920), (240, 5394528), (256, 5057370), (270, 4795136), (288, 4495440), (320, 4045896), (360, 3596352), (384, 3371580), (432, 2996960), (480, 2697264), (512, 2528685), (540, 2397568), (576, 2247720), (640, 2022948), (720, 1798176), (768, 1685790), (864, 1498480), (960, 1348632), (1080, 1198784), (1152, 1123860), (1280, 1011474), (1440, 899088), (1536, 842895), (1728, 749240), (1920, 674316), (2160, 599392), (2304, 561930), (2560, 505737), (2880, 449544), (3456, 374620), (3840, 337158), (4320, 299696), (4608, 280965), (5760, 224772), (6912, 187310), (7680, 168579), (8640, 149848), (11520, 112386), (13824, 93655), (17280, 74924), (18731, 69120), (23040, 56193), (34560, 37462)]