20162854880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{165161}}^1$

素因数の和:165292

約数の個数: 96

約数和(自身を含む): 54939487680

約数和(自身を除く): 34776632800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 280, 436, 545, 560, 763, 872, 1090, 1120, 1526, 1744, 2180, 3052, 3488, 3815, 4360, 6104, 7630, 8720, 12208, 15260, 17440, 24416, 30520, 61040, 122080, 165161, 330322, 660644, 825805, 1156127, 1321288, 1651610, 2312254, 2642576, 3303220, 4624508, 5285152, 5780635, 6606440, 9249016, 11561270, 13212880, 18002549, 18498032, 23122540, 26425760, 36005098, 36996064, 46245080, 72010196, 90012745, 92490160, 126017843, 144020392, 180025490, 184980320, 252035686, 288040784, 360050980, 504071372, 576081568, 630089215, 720101960, 1008142744, 1260178430, 1440203920, 2016285488, 2520356860, 2880407840, 4032570976, 5040713720, 10081427440, 20162854880]

約数ペア:

[(1, 20162854880), (2, 10081427440), (4, 5040713720), (5, 4032570976), (7, 2880407840), (8, 2520356860), (10, 2016285488), (14, 1440203920), (16, 1260178430), (20, 1008142744), (28, 720101960), (32, 630089215), (35, 576081568), (40, 504071372), (56, 360050980), (70, 288040784), (80, 252035686), (109, 184980320), (112, 180025490), (140, 144020392), (160, 126017843), (218, 92490160), (224, 90012745), (280, 72010196), (436, 46245080), (545, 36996064), (560, 36005098), (763, 26425760), (872, 23122540), (1090, 18498032), (1120, 18002549), (1526, 13212880), (1744, 11561270), (2180, 9249016), (3052, 6606440), (3488, 5780635), (3815, 5285152), (4360, 4624508), (6104, 3303220), (7630, 2642576), (8720, 2312254), (12208, 1651610), (15260, 1321288), (17440, 1156127), (24416, 825805), (30520, 660644), (61040, 330322), (122080, 165161)]