820781304

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5471}}^1$

素因数の和:5553

約数の個数: 128

約数和(自身を含む): 2521497600

約数和(自身を除く): 1700716296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 47, 56, 57, 76, 84, 94, 114, 133, 141, 152, 168, 188, 228, 266, 282, 329, 376, 399, 456, 532, 564, 658, 798, 893, 987, 1064, 1128, 1316, 1596, 1786, 1974, 2632, 2679, 3192, 3572, 3948, 5358, 5471, 6251, 7144, 7896, 10716, 10942, 12502, 16413, 18753, 21432, 21884, 25004, 32826, 37506, 38297, 43768, 50008, 65652, 75012, 76594, 103949, 114891, 131304, 150024, 153188, 207898, 229782, 257137, 306376, 311847, 415796, 459564, 514274, 623694, 727643, 771411, 831592, 919128, 1028548, 1247388, 1455286, 1542822, 1799959, 2057096, 2182929, 2494776, 2910572, 3085644, 3599918, 4365858, 4885603, 5399877, 5821144, 6171288, 7199836, 8731716, 9771206, 10799754, 14399672, 14656809, 17463432, 19542412, 21599508, 29313618, 34199221, 39084824, 43199016, 58627236, 68398442, 102597663, 117254472, 136796884, 205195326, 273593768, 410390652, 820781304]

約数ペア:

[(1, 820781304), (2, 410390652), (3, 273593768), (4, 205195326), (6, 136796884), (7, 117254472), (8, 102597663), (12, 68398442), (14, 58627236), (19, 43199016), (21, 39084824), (24, 34199221), (28, 29313618), (38, 21599508), (42, 19542412), (47, 17463432), (56, 14656809), (57, 14399672), (76, 10799754), (84, 9771206), (94, 8731716), (114, 7199836), (133, 6171288), (141, 5821144), (152, 5399877), (168, 4885603), (188, 4365858), (228, 3599918), (266, 3085644), (282, 2910572), (329, 2494776), (376, 2182929), (399, 2057096), (456, 1799959), (532, 1542822), (564, 1455286), (658, 1247388), (798, 1028548), (893, 919128), (987, 831592), (1064, 771411), (1128, 727643), (1316, 623694), (1596, 514274), (1786, 459564), (1974, 415796), (2632, 311847), (2679, 306376), (3192, 257137), (3572, 229782), (3948, 207898), (5358, 153188), (5471, 150024), (6251, 131304), (7144, 114891), (7896, 103949), (10716, 76594), (10942, 75012), (12502, 65652), (16413, 50008), (18753, 43768), (21432, 38297), (21884, 37506), (25004, 32826)]