15123550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 30935520

約数和(自身を除く): 15811970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 439, 530, 650, 689, 878, 1325, 1378, 2195, 2650, 3445, 4390, 5707, 6890, 10975, 11414, 17225, 21950, 23267, 28535, 34450, 46534, 57070, 116335, 142675, 232670, 285350, 302471, 581675, 604942, 1163350, 1512355, 3024710, 7561775, 15123550]

約数ペア:

[(1, 15123550), (2, 7561775), (5, 3024710), (10, 1512355), (13, 1163350), (25, 604942), (26, 581675), (50, 302471), (53, 285350), (65, 232670), (106, 142675), (130, 116335), (265, 57070), (325, 46534), (439, 34450), (530, 28535), (650, 23267), (689, 21950), (878, 17225), (1325, 11414), (1378, 10975), (2195, 6890), (2650, 5707), (3445, 4390)]