1296820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 3185280

約数和(自身を除く): 1888460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 157, 236, 295, 314, 413, 590, 628, 785, 826, 1099, 1180, 1570, 1652, 2065, 2198, 3140, 4130, 4396, 5495, 8260, 9263, 10990, 18526, 21980, 37052, 46315, 64841, 92630, 129682, 185260, 259364, 324205, 648410, 1296820]

約数ペア:

[(1, 1296820), (2, 648410), (4, 324205), (5, 259364), (7, 185260), (10, 129682), (14, 92630), (20, 64841), (28, 46315), (35, 37052), (59, 21980), (70, 18526), (118, 10990), (140, 9263), (157, 8260), (236, 5495), (295, 4396), (314, 4130), (413, 3140), (590, 2198), (628, 2065), (785, 1652), (826, 1570), (1099, 1180)]