261103360

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 763360416

約数和(自身を除く): 502257056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 181, 184, 196, 224, 230, 245, 256, 280, 320, 322, 362, 368, 392, 448, 460, 490, 560, 640, 644, 724, 736, 784, 805, 896, 905, 920, 980, 1120, 1127, 1267, 1280, 1288, 1448, 1472, 1568, 1610, 1792, 1810, 1840, 1960, 2240, 2254, 2534, 2576, 2896, 2944, 3136, 3220, 3620, 3680, 3920, 4163, 4480, 4508, 5068, 5152, 5635, 5792, 5888, 6272, 6335, 6440, 7240, 7360, 7840, 8326, 8869, 8960, 9016, 10136, 10304, 11270, 11584, 12544, 12670, 12880, 14480, 14720, 15680, 16652, 17738, 18032, 20272, 20608, 20815, 22540, 23168, 25340, 25760, 28960, 29141, 29440, 31360, 33304, 35476, 36064, 40544, 41216, 41630, 44345, 45080, 46336, 50680, 51520, 57920, 58282, 62720, 66608, 70952, 72128, 81088, 83260, 88690, 90160, 101360, 103040, 115840, 116564, 133216, 141904, 144256, 145705, 162176, 166520, 177380, 180320, 202720, 203987, 206080, 231680, 233128, 266432, 283808, 288512, 291410, 324352, 333040, 354760, 360640, 405440, 407974, 466256, 532864, 567616, 582820, 666080, 709520, 721280, 810880, 815948, 932512, 1019935, 1065728, 1135232, 1165640, 1332160, 1419040, 1442560, 1621760, 1631896, 1865024, 2039870, 2270464, 2331280, 2664320, 2838080, 3263792, 3730048, 4079740, 4662560, 5328640, 5676160, 6527584, 7460096, 8159480, 9325120, 11352320, 13055168, 16318960, 18650240, 26110336, 32637920, 37300480, 52220672, 65275840, 130551680, 261103360]

約数ペア:

[(1, 261103360), (2, 130551680), (4, 65275840), (5, 52220672), (7, 37300480), (8, 32637920), (10, 26110336), (14, 18650240), (16, 16318960), (20, 13055168), (23, 11352320), (28, 9325120), (32, 8159480), (35, 7460096), (40, 6527584), (46, 5676160), (49, 5328640), (56, 4662560), (64, 4079740), (70, 3730048), (80, 3263792), (92, 2838080), (98, 2664320), (112, 2331280), (115, 2270464), (128, 2039870), (140, 1865024), (160, 1631896), (161, 1621760), (181, 1442560), (184, 1419040), (196, 1332160), (224, 1165640), (230, 1135232), (245, 1065728), (256, 1019935), (280, 932512), (320, 815948), (322, 810880), (362, 721280), (368, 709520), (392, 666080), (448, 582820), (460, 567616), (490, 532864), (560, 466256), (640, 407974), (644, 405440), (724, 360640), (736, 354760), (784, 333040), (805, 324352), (896, 291410), (905, 288512), (920, 283808), (980, 266432), (1120, 233128), (1127, 231680), (1267, 206080), (1280, 203987), (1288, 202720), (1448, 180320), (1472, 177380), (1568, 166520), (1610, 162176), (1792, 145705), (1810, 144256), (1840, 141904), (1960, 133216), (2240, 116564), (2254, 115840), (2534, 103040), (2576, 101360), (2896, 90160), (2944, 88690), (3136, 83260), (3220, 81088), (3620, 72128), (3680, 70952), (3920, 66608), (4163, 62720), (4480, 58282), (4508, 57920), (5068, 51520), (5152, 50680), (5635, 46336), (5792, 45080), (5888, 44345), (6272, 41630), (6335, 41216), (6440, 40544), (7240, 36064), (7360, 35476), (7840, 33304), (8326, 31360), (8869, 29440), (8960, 29141), (9016, 28960), (10136, 25760), (10304, 25340), (11270, 23168), (11584, 22540), (12544, 20815), (12670, 20608), (12880, 20272), (14480, 18032), (14720, 17738), (15680, 16652)]