6397720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 16729920

約数和(自身を除く): 10332200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 313, 365, 511, 584, 626, 730, 1022, 1252, 1460, 1565, 2044, 2191, 2504, 2555, 2920, 3130, 4088, 4382, 5110, 6260, 8764, 10220, 10955, 12520, 17528, 20440, 21910, 22849, 43820, 45698, 87640, 91396, 114245, 159943, 182792, 228490, 319886, 456980, 639772, 799715, 913960, 1279544, 1599430, 3198860, 6397720]

約数ペア:

[(1, 6397720), (2, 3198860), (4, 1599430), (5, 1279544), (7, 913960), (8, 799715), (10, 639772), (14, 456980), (20, 319886), (28, 228490), (35, 182792), (40, 159943), (56, 114245), (70, 91396), (73, 87640), (140, 45698), (146, 43820), (280, 22849), (292, 21910), (313, 20440), (365, 17528), (511, 12520), (584, 10955), (626, 10220), (730, 8764), (1022, 6260), (1252, 5110), (1460, 4382), (1565, 4088), (2044, 3130), (2191, 2920), (2504, 2555)]