256430916

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1143

約数の個数: 144

約数和(自身を含む): 796432000

約数和(自身を除く): 540001084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 343, 399, 441, 532, 588, 684, 686, 798, 882, 931, 1029, 1093, 1197, 1372, 1596, 1764, 1862, 2058, 2186, 2394, 2793, 3087, 3279, 3724, 4116, 4372, 4788, 5586, 6174, 6517, 6558, 7651, 8379, 9837, 11172, 12348, 13034, 13116, 15302, 16758, 19551, 19674, 20767, 22953, 26068, 30604, 33516, 39102, 39348, 41534, 45906, 53557, 58653, 62301, 68859, 78204, 83068, 91812, 107114, 117306, 124602, 137718, 145369, 160671, 186903, 214228, 234612, 249204, 275436, 290738, 321342, 373806, 374899, 436107, 482013, 581476, 642684, 747612, 749798, 872214, 964026, 1017583, 1124697, 1308321, 1499596, 1744428, 1928052, 2035166, 2249394, 2616642, 3052749, 3374091, 4070332, 4498788, 5233284, 6105498, 6748182, 7123081, 9158247, 12210996, 13496364, 14246162, 18316494, 21369243, 28492324, 36632988, 42738486, 64107729, 85476972, 128215458, 256430916]

約数ペア:

[(1, 256430916), (2, 128215458), (3, 85476972), (4, 64107729), (6, 42738486), (7, 36632988), (9, 28492324), (12, 21369243), (14, 18316494), (18, 14246162), (19, 13496364), (21, 12210996), (28, 9158247), (36, 7123081), (38, 6748182), (42, 6105498), (49, 5233284), (57, 4498788), (63, 4070332), (76, 3374091), (84, 3052749), (98, 2616642), (114, 2249394), (126, 2035166), (133, 1928052), (147, 1744428), (171, 1499596), (196, 1308321), (228, 1124697), (252, 1017583), (266, 964026), (294, 872214), (342, 749798), (343, 747612), (399, 642684), (441, 581476), (532, 482013), (588, 436107), (684, 374899), (686, 373806), (798, 321342), (882, 290738), (931, 275436), (1029, 249204), (1093, 234612), (1197, 214228), (1372, 186903), (1596, 160671), (1764, 145369), (1862, 137718), (2058, 124602), (2186, 117306), (2394, 107114), (2793, 91812), (3087, 83068), (3279, 78204), (3724, 68859), (4116, 62301), (4372, 58653), (4788, 53557), (5586, 45906), (6174, 41534), (6517, 39348), (6558, 39102), (7651, 33516), (8379, 30604), (9837, 26068), (11172, 22953), (12348, 20767), (13034, 19674), (13116, 19551), (15302, 16758)]