261765210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1246501}}^1$

素因数の和:1246518

約数の個数: 32

約数和(自身を含む): 717985152

約数和(自身を除く): 456219942

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1246501, 2493002, 3739503, 6232505, 7479006, 8725507, 12465010, 17451014, 18697515, 26176521, 37395030, 43627535, 52353042, 87255070, 130882605, 261765210]

約数ペア:

[(1, 261765210), (2, 130882605), (3, 87255070), (5, 52353042), (6, 43627535), (7, 37395030), (10, 26176521), (14, 18697515), (15, 17451014), (21, 12465010), (30, 8725507), (35, 7479006), (42, 6232505), (70, 3739503), (105, 2493002), (210, 1246501)]