1980990816

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{1193}}^1$

素因数の和:1573

約数の個数: 144

約数和(自身を含む): 6071318064

約数和(自身を除く): 4090327248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 353, 392, 588, 672, 706, 784, 1059, 1176, 1193, 1412, 1568, 2118, 2352, 2386, 2471, 2824, 3579, 4236, 4704, 4772, 4942, 5648, 7158, 7413, 8351, 8472, 9544, 9884, 11296, 14316, 14826, 16702, 16944, 17297, 19088, 19768, 25053, 28632, 29652, 33404, 33888, 34594, 38176, 39536, 50106, 51891, 57264, 58457, 59304, 66808, 69188, 79072, 100212, 103782, 114528, 116914, 118608, 133616, 138376, 175371, 200424, 207564, 233828, 237216, 267232, 276752, 350742, 400848, 415128, 421129, 467656, 553504, 701484, 801696, 830256, 842258, 935312, 1263387, 1402968, 1660512, 1684516, 1870624, 2526774, 2805936, 2947903, 3369032, 5053548, 5611872, 5895806, 6738064, 8843709, 10107096, 11791612, 13476128, 17687418, 20214192, 20635321, 23583224, 35374836, 40428384, 41270642, 47166448, 61905963, 70749672, 82541284, 94332896, 123811926, 141499344, 165082568, 247623852, 282998688, 330165136, 495247704, 660330272, 990495408, 1980990816]

約数ペア:

[(1, 1980990816), (2, 990495408), (3, 660330272), (4, 495247704), (6, 330165136), (7, 282998688), (8, 247623852), (12, 165082568), (14, 141499344), (16, 123811926), (21, 94332896), (24, 82541284), (28, 70749672), (32, 61905963), (42, 47166448), (48, 41270642), (49, 40428384), (56, 35374836), (84, 23583224), (96, 20635321), (98, 20214192), (112, 17687418), (147, 13476128), (168, 11791612), (196, 10107096), (224, 8843709), (294, 6738064), (336, 5895806), (353, 5611872), (392, 5053548), (588, 3369032), (672, 2947903), (706, 2805936), (784, 2526774), (1059, 1870624), (1176, 1684516), (1193, 1660512), (1412, 1402968), (1568, 1263387), (2118, 935312), (2352, 842258), (2386, 830256), (2471, 801696), (2824, 701484), (3579, 553504), (4236, 467656), (4704, 421129), (4772, 415128), (4942, 400848), (5648, 350742), (7158, 276752), (7413, 267232), (8351, 237216), (8472, 233828), (9544, 207564), (9884, 200424), (11296, 175371), (14316, 138376), (14826, 133616), (16702, 118608), (16944, 116914), (17297, 114528), (19088, 103782), (19768, 100212), (25053, 79072), (28632, 69188), (29652, 66808), (33404, 59304), (33888, 58457), (34594, 57264), (38176, 51891), (39536, 50106)]