15518820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13613}}^1$

素因数の和:13644

約数の個数: 48

約数和(自身を含む): 45743040

約数和(自身を除く): 30224220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 13613, 27226, 40839, 54452, 68065, 81678, 136130, 163356, 204195, 258647, 272260, 408390, 517294, 775941, 816780, 1034588, 1293235, 1551882, 2586470, 3103764, 3879705, 5172940, 7759410, 15518820]

約数ペア:

[(1, 15518820), (2, 7759410), (3, 5172940), (4, 3879705), (5, 3103764), (6, 2586470), (10, 1551882), (12, 1293235), (15, 1034588), (19, 816780), (20, 775941), (30, 517294), (38, 408390), (57, 272260), (60, 258647), (76, 204195), (95, 163356), (114, 136130), (190, 81678), (228, 68065), (285, 54452), (380, 40839), (570, 27226), (1140, 13613)]