280569520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1299

約数の個数: 160

約数和(自身を含む): 835946496

約数和(自身を除く): 555376976

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 110, 112, 140, 148, 154, 176, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 560, 592, 616, 740, 770, 814, 880, 1036, 1231, 1232, 1295, 1480, 1540, 1628, 2035, 2072, 2462, 2590, 2849, 2960, 3080, 3256, 4070, 4144, 4924, 5180, 5698, 6155, 6160, 6512, 8140, 8617, 9848, 10360, 11396, 12310, 13541, 14245, 16280, 17234, 19696, 20720, 22792, 24620, 27082, 28490, 32560, 34468, 43085, 45547, 45584, 49240, 54164, 56980, 67705, 68936, 86170, 91094, 94787, 98480, 108328, 113960, 135410, 137872, 172340, 182188, 189574, 216656, 227735, 227920, 270820, 318829, 344680, 364376, 379148, 455470, 473935, 501017, 541640, 637658, 689360, 728752, 758296, 910940, 947870, 1002034, 1083280, 1275316, 1516592, 1594145, 1821880, 1895740, 2004068, 2505085, 2550632, 3188290, 3507119, 3643760, 3791480, 4008136, 5010170, 5101264, 6376580, 7014238, 7582960, 8016272, 10020340, 12753160, 14028476, 17535595, 20040680, 25506320, 28056952, 35071190, 40081360, 56113904, 70142380, 140284760, 280569520]

約数ペア:

[(1, 280569520), (2, 140284760), (4, 70142380), (5, 56113904), (7, 40081360), (8, 35071190), (10, 28056952), (11, 25506320), (14, 20040680), (16, 17535595), (20, 14028476), (22, 12753160), (28, 10020340), (35, 8016272), (37, 7582960), (40, 7014238), (44, 6376580), (55, 5101264), (56, 5010170), (70, 4008136), (74, 3791480), (77, 3643760), (80, 3507119), (88, 3188290), (110, 2550632), (112, 2505085), (140, 2004068), (148, 1895740), (154, 1821880), (176, 1594145), (185, 1516592), (220, 1275316), (259, 1083280), (280, 1002034), (296, 947870), (308, 910940), (370, 758296), (385, 728752), (407, 689360), (440, 637658), (518, 541640), (560, 501017), (592, 473935), (616, 455470), (740, 379148), (770, 364376), (814, 344680), (880, 318829), (1036, 270820), (1231, 227920), (1232, 227735), (1295, 216656), (1480, 189574), (1540, 182188), (1628, 172340), (2035, 137872), (2072, 135410), (2462, 113960), (2590, 108328), (2849, 98480), (2960, 94787), (3080, 91094), (3256, 86170), (4070, 68936), (4144, 67705), (4924, 56980), (5180, 54164), (5698, 49240), (6155, 45584), (6160, 45547), (6512, 43085), (8140, 34468), (8617, 32560), (9848, 28490), (10360, 27082), (11396, 24620), (12310, 22792), (13541, 20720), (14245, 19696), (16280, 17234)]