72670640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129769}}^1$

素因数の和:129789

約数の個数: 40

約数和(自身を含む): 193097760

約数和(自身を除く): 120427120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129769, 259538, 519076, 648845, 908383, 1038152, 1297690, 1816766, 2076304, 2595380, 3633532, 4541915, 5190760, 7267064, 9083830, 10381520, 14534128, 18167660, 36335320, 72670640]

約数ペア:

[(1, 72670640), (2, 36335320), (4, 18167660), (5, 14534128), (7, 10381520), (8, 9083830), (10, 7267064), (14, 5190760), (16, 4541915), (20, 3633532), (28, 2595380), (35, 2076304), (40, 1816766), (56, 1297690), (70, 1038152), (80, 908383), (112, 648845), (140, 519076), (280, 259538), (560, 129769)]