840631680

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{20849}}^1$

素因数の和:20881

約数の個数: 192

約数和(自身を含む): 3317652000

約数和(自身を除く): 2477020320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 20849, 40320, 41698, 62547, 83396, 104245, 125094, 145943, 166792, 187641, 208490, 250188, 291886, 312735, 333584, 375282, 416980, 437829, 500376, 583772, 625470, 667168, 729715, 750564, 833960, 875658, 938205, 1000752, 1167544, 1250940, 1313487, 1334336, 1459430, 1501128, 1667920, 1751316, 1876410, 2001504, 2189145, 2335088, 2501880, 2626974, 2668672, 2918860, 3002256, 3335840, 3502632, 3752820, 4003008, 4378290, 4670176, 5003760, 5253948, 5837720, 6004512, 6567435, 6671680, 7005264, 7505640, 8006016, 8756580, 9340352, 10007520, 10507896, 11675440, 12009024, 13134870, 13343360, 14010528, 15011280, 17513160, 18680704, 20015040, 21015792, 23350880, 24018048, 26269740, 28021056, 30022560, 35026320, 40030080, 42031584, 46701760, 52539480, 56042112, 60045120, 70052640, 84063168, 93403520, 105078960, 120090240, 140105280, 168126336, 210157920, 280210560, 420315840, 840631680]

約数ペア:

[(1, 840631680), (2, 420315840), (3, 280210560), (4, 210157920), (5, 168126336), (6, 140105280), (7, 120090240), (8, 105078960), (9, 93403520), (10, 84063168), (12, 70052640), (14, 60045120), (15, 56042112), (16, 52539480), (18, 46701760), (20, 42031584), (21, 40030080), (24, 35026320), (28, 30022560), (30, 28021056), (32, 26269740), (35, 24018048), (36, 23350880), (40, 21015792), (42, 20015040), (45, 18680704), (48, 17513160), (56, 15011280), (60, 14010528), (63, 13343360), (64, 13134870), (70, 12009024), (72, 11675440), (80, 10507896), (84, 10007520), (90, 9340352), (96, 8756580), (105, 8006016), (112, 7505640), (120, 7005264), (126, 6671680), (128, 6567435), (140, 6004512), (144, 5837720), (160, 5253948), (168, 5003760), (180, 4670176), (192, 4378290), (210, 4003008), (224, 3752820), (240, 3502632), (252, 3335840), (280, 3002256), (288, 2918860), (315, 2668672), (320, 2626974), (336, 2501880), (360, 2335088), (384, 2189145), (420, 2001504), (448, 1876410), (480, 1751316), (504, 1667920), (560, 1501128), (576, 1459430), (630, 1334336), (640, 1313487), (672, 1250940), (720, 1167544), (840, 1000752), (896, 938205), (960, 875658), (1008, 833960), (1120, 750564), (1152, 729715), (1260, 667168), (1344, 625470), (1440, 583772), (1680, 500376), (1920, 437829), (2016, 416980), (2240, 375282), (2520, 333584), (2688, 312735), (2880, 291886), (3360, 250188), (4032, 208490), (4480, 187641), (5040, 166792), (5760, 145943), (6720, 125094), (8064, 104245), (10080, 83396), (13440, 62547), (20160, 41698), (20849, 40320)]