51222640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 141218640

約数和(自身を除く): 89996000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 179, 196, 245, 280, 292, 358, 365, 392, 490, 511, 560, 584, 716, 730, 784, 895, 980, 1022, 1168, 1253, 1432, 1460, 1790, 1960, 2044, 2506, 2555, 2864, 2920, 3577, 3580, 3920, 4088, 5012, 5110, 5840, 6265, 7154, 7160, 8176, 8771, 10024, 10220, 12530, 13067, 14308, 14320, 17542, 17885, 20048, 20440, 25060, 26134, 28616, 35084, 35770, 40880, 43855, 50120, 52268, 57232, 65335, 70168, 71540, 87710, 91469, 100240, 104536, 130670, 140336, 143080, 175420, 182938, 209072, 261340, 286160, 350840, 365876, 457345, 522680, 640283, 701680, 731752, 914690, 1045360, 1280566, 1463504, 1829380, 2561132, 3201415, 3658760, 5122264, 6402830, 7317520, 10244528, 12805660, 25611320, 51222640]

約数ペア:

[(1, 51222640), (2, 25611320), (4, 12805660), (5, 10244528), (7, 7317520), (8, 6402830), (10, 5122264), (14, 3658760), (16, 3201415), (20, 2561132), (28, 1829380), (35, 1463504), (40, 1280566), (49, 1045360), (56, 914690), (70, 731752), (73, 701680), (80, 640283), (98, 522680), (112, 457345), (140, 365876), (146, 350840), (179, 286160), (196, 261340), (245, 209072), (280, 182938), (292, 175420), (358, 143080), (365, 140336), (392, 130670), (490, 104536), (511, 100240), (560, 91469), (584, 87710), (716, 71540), (730, 70168), (784, 65335), (895, 57232), (980, 52268), (1022, 50120), (1168, 43855), (1253, 40880), (1432, 35770), (1460, 35084), (1790, 28616), (1960, 26134), (2044, 25060), (2506, 20440), (2555, 20048), (2864, 17885), (2920, 17542), (3577, 14320), (3580, 14308), (3920, 13067), (4088, 12530), (5012, 10220), (5110, 10024), (5840, 8771), (6265, 8176), (7154, 7160)]