30720018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2699}}^1$

素因数の和:2982

約数の個数: 32

約数和(自身を含む): 70502400

約数和(自身を除く): 39782382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 271, 542, 813, 1626, 1897, 2699, 3794, 5398, 5691, 8097, 11382, 16194, 18893, 37786, 56679, 113358, 731429, 1462858, 2194287, 4388574, 5120003, 10240006, 15360009, 30720018]

約数ペア:

[(1, 30720018), (2, 15360009), (3, 10240006), (6, 5120003), (7, 4388574), (14, 2194287), (21, 1462858), (42, 731429), (271, 113358), (542, 56679), (813, 37786), (1626, 18893), (1897, 16194), (2699, 11382), (3794, 8097), (5398, 5691)]