67921280

素因数分解:

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

素因数の和:15187

約数の個数: 64

約数和(自身を含む): 185582880

約数和(自身を除く): 117661600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 15161, 30322, 60644, 75805, 106127, 121288, 151610, 212254, 242576, 303220, 424508, 485152, 530635, 606440, 849016, 970304, 1061270, 1212880, 1698032, 1940608, 2122540, 2425760, 3396064, 4245080, 4851520, 6792128, 8490160, 9703040, 13584256, 16980320, 33960640, 67921280]

約数ペア:

[(1, 67921280), (2, 33960640), (4, 16980320), (5, 13584256), (7, 9703040), (8, 8490160), (10, 6792128), (14, 4851520), (16, 4245080), (20, 3396064), (28, 2425760), (32, 2122540), (35, 1940608), (40, 1698032), (56, 1212880), (64, 1061270), (70, 970304), (80, 849016), (112, 606440), (128, 530635), (140, 485152), (160, 424508), (224, 303220), (280, 242576), (320, 212254), (448, 151610), (560, 121288), (640, 106127), (896, 75805), (1120, 60644), (2240, 30322), (4480, 15161)]