28556280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 96379200

約数和(自身を除く): 67822920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 137, 180, 193, 216, 270, 274, 360, 386, 411, 540, 548, 579, 685, 772, 822, 965, 1080, 1096, 1158, 1233, 1370, 1544, 1644, 1737, 1930, 2055, 2316, 2466, 2740, 2895, 3288, 3474, 3699, 3860, 4110, 4632, 4932, 5211, 5480, 5790, 6165, 6948, 7398, 7720, 8220, 8685, 9864, 10422, 11580, 12330, 13896, 14796, 16440, 17370, 18495, 20844, 23160, 24660, 26055, 26441, 29592, 34740, 36990, 41688, 49320, 52110, 52882, 69480, 73980, 79323, 104220, 105764, 132205, 147960, 158646, 208440, 211528, 237969, 264410, 317292, 396615, 475938, 528820, 634584, 713907, 793230, 951876, 1057640, 1189845, 1427814, 1586460, 1903752, 2379690, 2855628, 3172920, 3569535, 4759380, 5711256, 7139070, 9518760, 14278140, 28556280]

約数ペア:

[(1, 28556280), (2, 14278140), (3, 9518760), (4, 7139070), (5, 5711256), (6, 4759380), (8, 3569535), (9, 3172920), (10, 2855628), (12, 2379690), (15, 1903752), (18, 1586460), (20, 1427814), (24, 1189845), (27, 1057640), (30, 951876), (36, 793230), (40, 713907), (45, 634584), (54, 528820), (60, 475938), (72, 396615), (90, 317292), (108, 264410), (120, 237969), (135, 211528), (137, 208440), (180, 158646), (193, 147960), (216, 132205), (270, 105764), (274, 104220), (360, 79323), (386, 73980), (411, 69480), (540, 52882), (548, 52110), (579, 49320), (685, 41688), (772, 36990), (822, 34740), (965, 29592), (1080, 26441), (1096, 26055), (1158, 24660), (1233, 23160), (1370, 20844), (1544, 18495), (1644, 17370), (1737, 16440), (1930, 14796), (2055, 13896), (2316, 12330), (2466, 11580), (2740, 10422), (2895, 9864), (3288, 8685), (3474, 8220), (3699, 7720), (3860, 7398), (4110, 6948), (4632, 6165), (4932, 5790), (5211, 5480)]