90375320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322769}}^1$

素因数の和:322787

約数の個数: 32

約数和(自身を含む): 232394400

約数和(自身を除く): 142019080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322769, 645538, 1291076, 1613845, 2259383, 2582152, 3227690, 4518766, 6455380, 9037532, 11296915, 12910760, 18075064, 22593830, 45187660, 90375320]

約数ペア:

[(1, 90375320), (2, 45187660), (4, 22593830), (5, 18075064), (7, 12910760), (8, 11296915), (10, 9037532), (14, 6455380), (20, 4518766), (28, 3227690), (35, 2582152), (40, 2259383), (56, 1613845), (70, 1291076), (140, 645538), (280, 322769)]