30721836

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 75801600

約数和(自身を除く): 45079764

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 79, 92, 138, 158, 237, 276, 316, 474, 948, 1409, 1817, 2818, 3634, 4227, 5451, 5636, 7268, 8454, 10902, 16908, 21804, 32407, 64814, 97221, 111311, 129628, 194442, 222622, 333933, 388884, 445244, 667866, 1335732, 2560153, 5120306, 7680459, 10240612, 15360918, 30721836]

約数ペア:

[(1, 30721836), (2, 15360918), (3, 10240612), (4, 7680459), (6, 5120306), (12, 2560153), (23, 1335732), (46, 667866), (69, 445244), (79, 388884), (92, 333933), (138, 222622), (158, 194442), (237, 129628), (276, 111311), (316, 97221), (474, 64814), (948, 32407), (1409, 21804), (1817, 16908), (2818, 10902), (3634, 8454), (4227, 7268), (5451, 5636)]