64990140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13711}}^1$

素因数の和:13802

約数の個数: 48

約数和(自身を含む): 184289280

約数和(自身を除く): 119299140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 13711, 27422, 41133, 54844, 68555, 82266, 137110, 164532, 205665, 274220, 411330, 822660, 1083169, 2166338, 3249507, 4332676, 5415845, 6499014, 10831690, 12998028, 16247535, 21663380, 32495070, 64990140]

約数ペア:

[(1, 64990140), (2, 32495070), (3, 21663380), (4, 16247535), (5, 12998028), (6, 10831690), (10, 6499014), (12, 5415845), (15, 4332676), (20, 3249507), (30, 2166338), (60, 1083169), (79, 822660), (158, 411330), (237, 274220), (316, 205665), (395, 164532), (474, 137110), (790, 82266), (948, 68555), (1185, 54844), (1580, 41133), (2370, 27422), (4740, 13711)]