1520783320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5431369}}^1$

素因数の和:5431387

約数の個数: 32

約数和(自身を含む): 3910586400

約数和(自身を除く): 2389803080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5431369, 10862738, 21725476, 27156845, 38019583, 43450952, 54313690, 76039166, 108627380, 152078332, 190097915, 217254760, 304156664, 380195830, 760391660, 1520783320]

約数ペア:

[(1, 1520783320), (2, 760391660), (4, 380195830), (5, 304156664), (7, 217254760), (8, 190097915), (10, 152078332), (14, 108627380), (20, 76039166), (28, 54313690), (35, 43450952), (40, 38019583), (56, 27156845), (70, 21725476), (140, 10862738), (280, 5431369)]