2788871680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8240

約数の個数: 160

約数和(自身を含む): 8045199360

約数和(自身を除く): 5256327680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 2128, 2240, 2432, 2560, 2660, 3040, 3584, 4256, 4480, 4864, 5320, 6080, 8191, 8512, 8960, 9728, 10640, 12160, 16382, 17024, 17920, 21280, 24320, 32764, 34048, 40955, 42560, 48640, 57337, 65528, 68096, 81910, 85120, 114674, 131056, 155629, 163820, 170240, 229348, 262112, 286685, 311258, 327640, 340480, 458696, 524224, 573370, 622516, 655280, 778145, 917392, 1048448, 1089403, 1146740, 1245032, 1310560, 1556290, 1834784, 2096896, 2178806, 2293480, 2490064, 2621120, 3112580, 3669568, 4193792, 4357612, 4586960, 4980128, 5242240, 5447015, 6225160, 7339136, 8715224, 9173920, 9960256, 10484480, 10894030, 12450320, 14678272, 17430448, 18347840, 19920512, 20968960, 21788060, 24900640, 29356544, 34860896, 36695680, 39841024, 43576120, 49801280, 69721792, 73391360, 79682048, 87152240, 99602560, 139443584, 146782720, 174304480, 199205120, 278887168, 348608960, 398410240, 557774336, 697217920, 1394435840, 2788871680]

約数ペア:

[(1, 2788871680), (2, 1394435840), (4, 697217920), (5, 557774336), (7, 398410240), (8, 348608960), (10, 278887168), (14, 199205120), (16, 174304480), (19, 146782720), (20, 139443584), (28, 99602560), (32, 87152240), (35, 79682048), (38, 73391360), (40, 69721792), (56, 49801280), (64, 43576120), (70, 39841024), (76, 36695680), (80, 34860896), (95, 29356544), (112, 24900640), (128, 21788060), (133, 20968960), (140, 19920512), (152, 18347840), (160, 17430448), (190, 14678272), (224, 12450320), (256, 10894030), (266, 10484480), (280, 9960256), (304, 9173920), (320, 8715224), (380, 7339136), (448, 6225160), (512, 5447015), (532, 5242240), (560, 4980128), (608, 4586960), (640, 4357612), (665, 4193792), (760, 3669568), (896, 3112580), (1064, 2621120), (1120, 2490064), (1216, 2293480), (1280, 2178806), (1330, 2096896), (1520, 1834784), (1792, 1556290), (2128, 1310560), (2240, 1245032), (2432, 1146740), (2560, 1089403), (2660, 1048448), (3040, 917392), (3584, 778145), (4256, 655280), (4480, 622516), (4864, 573370), (5320, 524224), (6080, 458696), (8191, 340480), (8512, 327640), (8960, 311258), (9728, 286685), (10640, 262112), (12160, 229348), (16382, 170240), (17024, 163820), (17920, 155629), (21280, 131056), (24320, 114674), (32764, 85120), (34048, 81910), (40955, 68096), (42560, 65528), (48640, 57337)]