210157920

素因数分解:

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

素因数の和:20877

約数の個数: 144

約数和(自身を含む): 819655200

約数和(自身を除く): 609497280

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20849, 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, 1459430, 1501128, 1667920, 1751316, 1876410, 2001504, 2189145, 2335088, 2501880, 2626974, 2918860, 3002256, 3335840, 3502632, 3752820, 4378290, 4670176, 5003760, 5253948, 5837720, 6004512, 6567435, 7005264, 7505640, 8756580, 10007520, 10507896, 11675440, 13134870, 14010528, 15011280, 17513160, 21015792, 23350880, 26269740, 30022560, 35026320, 42031584, 52539480, 70052640, 105078960, 210157920]

約数ペア:

[(1, 210157920), (2, 105078960), (3, 70052640), (4, 52539480), (5, 42031584), (6, 35026320), (7, 30022560), (8, 26269740), (9, 23350880), (10, 21015792), (12, 17513160), (14, 15011280), (15, 14010528), (16, 13134870), (18, 11675440), (20, 10507896), (21, 10007520), (24, 8756580), (28, 7505640), (30, 7005264), (32, 6567435), (35, 6004512), (36, 5837720), (40, 5253948), (42, 5003760), (45, 4670176), (48, 4378290), (56, 3752820), (60, 3502632), (63, 3335840), (70, 3002256), (72, 2918860), (80, 2626974), (84, 2501880), (90, 2335088), (96, 2189145), (105, 2001504), (112, 1876410), (120, 1751316), (126, 1667920), (140, 1501128), (144, 1459430), (160, 1313487), (168, 1250940), (180, 1167544), (210, 1000752), (224, 938205), (240, 875658), (252, 833960), (280, 750564), (288, 729715), (315, 667168), (336, 625470), (360, 583772), (420, 500376), (480, 437829), (504, 416980), (560, 375282), (630, 333584), (672, 312735), (720, 291886), (840, 250188), (1008, 208490), (1120, 187641), (1260, 166792), (1440, 145943), (1680, 125094), (2016, 104245), (2520, 83396), (3360, 62547), (5040, 41698), (10080, 20849)]