16980320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{15161}}^1$

素因数の和:15183

約数の個数: 48

約数和(自身を含む): 45849888

約数和(自身を除く): 28869568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 15161, 30322, 60644, 75805, 106127, 121288, 151610, 212254, 242576, 303220, 424508, 485152, 530635, 606440, 849016, 1061270, 1212880, 1698032, 2122540, 2425760, 3396064, 4245080, 8490160, 16980320]

約数ペア:

[(1, 16980320), (2, 8490160), (4, 4245080), (5, 3396064), (7, 2425760), (8, 2122540), (10, 1698032), (14, 1212880), (16, 1061270), (20, 849016), (28, 606440), (32, 530635), (35, 485152), (40, 424508), (56, 303220), (70, 242576), (80, 212254), (112, 151610), (140, 121288), (160, 106127), (224, 75805), (280, 60644), (560, 30322), (1120, 15161)]