7990020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{44389}}^1$

素因数の和:44404

約数の個数: 36

約数和(自身を含む): 24236940

約数和(自身を除く): 16246920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 44389, 88778, 133167, 177556, 221945, 266334, 399501, 443890, 532668, 665835, 799002, 887780, 1331670, 1598004, 1997505, 2663340, 3995010, 7990020]

約数ペア:

[(1, 7990020), (2, 3995010), (3, 2663340), (4, 1997505), (5, 1598004), (6, 1331670), (9, 887780), (10, 799002), (12, 665835), (15, 532668), (18, 443890), (20, 399501), (30, 266334), (36, 221945), (45, 177556), (60, 133167), (90, 88778), (180, 44389)]