15940210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 34401024

約数和(自身を除く): 18460814

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 157, 286, 314, 355, 710, 715, 781, 785, 923, 1430, 1562, 1570, 1727, 1846, 2041, 3454, 3905, 4082, 4615, 7810, 8635, 9230, 10153, 10205, 11147, 17270, 20306, 20410, 22294, 22451, 44902, 50765, 55735, 101530, 111470, 112255, 122617, 144911, 224510, 245234, 289822, 613085, 724555, 1226170, 1449110, 1594021, 3188042, 7970105, 15940210]

約数ペア:

[(1, 15940210), (2, 7970105), (5, 3188042), (10, 1594021), (11, 1449110), (13, 1226170), (22, 724555), (26, 613085), (55, 289822), (65, 245234), (71, 224510), (110, 144911), (130, 122617), (142, 112255), (143, 111470), (157, 101530), (286, 55735), (314, 50765), (355, 44902), (710, 22451), (715, 22294), (781, 20410), (785, 20306), (923, 17270), (1430, 11147), (1562, 10205), (1570, 10153), (1727, 9230), (1846, 8635), (2041, 7810), (3454, 4615), (3905, 4082)]