64755320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231269}}^1$

素因数の和:231287

約数の個数: 32

約数和(自身を含む): 166514400

約数和(自身を除く): 101759080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231269, 462538, 925076, 1156345, 1618883, 1850152, 2312690, 3237766, 4625380, 6475532, 8094415, 9250760, 12951064, 16188830, 32377660, 64755320]

約数ペア:

[(1, 64755320), (2, 32377660), (4, 16188830), (5, 12951064), (7, 9250760), (8, 8094415), (10, 6475532), (14, 4625380), (20, 3237766), (28, 2312690), (35, 1850152), (40, 1618883), (56, 1156345), (70, 925076), (140, 462538), (280, 231269)]