220348960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 585212040

約数和(自身を除く): 364863080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 169, 208, 232, 260, 281, 290, 338, 377, 416, 464, 520, 562, 580, 676, 754, 845, 928, 1040, 1124, 1160, 1352, 1405, 1508, 1690, 1885, 2080, 2248, 2320, 2704, 2810, 3016, 3380, 3653, 3770, 4496, 4640, 4901, 5408, 5620, 6032, 6760, 7306, 7540, 8149, 8992, 9802, 11240, 12064, 13520, 14612, 15080, 16298, 18265, 19604, 22480, 24505, 27040, 29224, 30160, 32596, 36530, 39208, 40745, 44960, 47489, 49010, 58448, 60320, 65192, 73060, 78416, 81490, 94978, 98020, 105937, 116896, 130384, 146120, 156832, 162980, 189956, 196040, 211874, 237445, 260768, 292240, 325960, 379912, 392080, 423748, 474890, 529685, 584480, 651920, 759824, 784160, 847496, 949780, 1059370, 1303840, 1377181, 1519648, 1694992, 1899560, 2118740, 2754362, 3389984, 3799120, 4237480, 5508724, 6885905, 7598240, 8474960, 11017448, 13771810, 16949920, 22034896, 27543620, 44069792, 55087240, 110174480, 220348960]

約数ペア:

[(1, 220348960), (2, 110174480), (4, 55087240), (5, 44069792), (8, 27543620), (10, 22034896), (13, 16949920), (16, 13771810), (20, 11017448), (26, 8474960), (29, 7598240), (32, 6885905), (40, 5508724), (52, 4237480), (58, 3799120), (65, 3389984), (80, 2754362), (104, 2118740), (116, 1899560), (130, 1694992), (145, 1519648), (160, 1377181), (169, 1303840), (208, 1059370), (232, 949780), (260, 847496), (281, 784160), (290, 759824), (338, 651920), (377, 584480), (416, 529685), (464, 474890), (520, 423748), (562, 392080), (580, 379912), (676, 325960), (754, 292240), (845, 260768), (928, 237445), (1040, 211874), (1124, 196040), (1160, 189956), (1352, 162980), (1405, 156832), (1508, 146120), (1690, 130384), (1885, 116896), (2080, 105937), (2248, 98020), (2320, 94978), (2704, 81490), (2810, 78416), (3016, 73060), (3380, 65192), (3653, 60320), (3770, 58448), (4496, 49010), (4640, 47489), (4901, 44960), (5408, 40745), (5620, 39208), (6032, 36530), (6760, 32596), (7306, 30160), (7540, 29224), (8149, 27040), (8992, 24505), (9802, 22480), (11240, 19604), (12064, 18265), (13520, 16298), (14612, 15080)]