66615640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18301}}^1$

素因数の和:18332

約数の個数: 64

約数和(自身を含む): 184484160

約数和(自身を除く): 117868520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18301, 36602, 73204, 91505, 128107, 146408, 183010, 237913, 256214, 366020, 475826, 512428, 640535, 732040, 951652, 1024856, 1189565, 1281070, 1665391, 1903304, 2379130, 2562140, 3330782, 4758260, 5124280, 6661564, 8326955, 9516520, 13323128, 16653910, 33307820, 66615640]

約数ペア:

[(1, 66615640), (2, 33307820), (4, 16653910), (5, 13323128), (7, 9516520), (8, 8326955), (10, 6661564), (13, 5124280), (14, 4758260), (20, 3330782), (26, 2562140), (28, 2379130), (35, 1903304), (40, 1665391), (52, 1281070), (56, 1189565), (65, 1024856), (70, 951652), (91, 732040), (104, 640535), (130, 512428), (140, 475826), (182, 366020), (260, 256214), (280, 237913), (364, 183010), (455, 146408), (520, 128107), (728, 91505), (910, 73204), (1820, 36602), (3640, 18301)]