57455720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1307}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 148798080

約数和(自身を除く): 91342360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1307, 1570, 2198, 2614, 3140, 4396, 5228, 5495, 6280, 6535, 8792, 9149, 10456, 10990, 13070, 18298, 21980, 26140, 36596, 43960, 45745, 52280, 73192, 91490, 182980, 205199, 365960, 410398, 820796, 1025995, 1436393, 1641592, 2051990, 2872786, 4103980, 5745572, 7181965, 8207960, 11491144, 14363930, 28727860, 57455720]

約数ペア:

[(1, 57455720), (2, 28727860), (4, 14363930), (5, 11491144), (7, 8207960), (8, 7181965), (10, 5745572), (14, 4103980), (20, 2872786), (28, 2051990), (35, 1641592), (40, 1436393), (56, 1025995), (70, 820796), (140, 410398), (157, 365960), (280, 205199), (314, 182980), (628, 91490), (785, 73192), (1099, 52280), (1256, 45745), (1307, 43960), (1570, 36596), (2198, 26140), (2614, 21980), (3140, 18298), (4396, 13070), (5228, 10990), (5495, 10456), (6280, 9149), (6535, 8792)]