16887390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 47900160

約数和(自身を除く): 31012770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 43, 53, 57, 65, 78, 86, 95, 106, 114, 129, 130, 159, 190, 195, 215, 247, 258, 265, 285, 318, 390, 430, 494, 530, 559, 570, 645, 689, 741, 795, 817, 1007, 1118, 1235, 1290, 1378, 1482, 1590, 1634, 1677, 2014, 2067, 2279, 2451, 2470, 2795, 3021, 3354, 3445, 3705, 4085, 4134, 4558, 4902, 5035, 5590, 6042, 6837, 6890, 7410, 8170, 8385, 10070, 10335, 10621, 11395, 12255, 13091, 13674, 15105, 16770, 20670, 21242, 22790, 24510, 26182, 29627, 30210, 31863, 34185, 39273, 43301, 53105, 59254, 63726, 65455, 68370, 78546, 86602, 88881, 106210, 129903, 130910, 148135, 159315, 177762, 196365, 216505, 259806, 296270, 318630, 392730, 433010, 444405, 562913, 649515, 888810, 1125826, 1299030, 1688739, 2814565, 3377478, 5629130, 8443695, 16887390]

約数ペア:

[(1, 16887390), (2, 8443695), (3, 5629130), (5, 3377478), (6, 2814565), (10, 1688739), (13, 1299030), (15, 1125826), (19, 888810), (26, 649515), (30, 562913), (38, 444405), (39, 433010), (43, 392730), (53, 318630), (57, 296270), (65, 259806), (78, 216505), (86, 196365), (95, 177762), (106, 159315), (114, 148135), (129, 130910), (130, 129903), (159, 106210), (190, 88881), (195, 86602), (215, 78546), (247, 68370), (258, 65455), (265, 63726), (285, 59254), (318, 53105), (390, 43301), (430, 39273), (494, 34185), (530, 31863), (559, 30210), (570, 29627), (645, 26182), (689, 24510), (741, 22790), (795, 21242), (817, 20670), (1007, 16770), (1118, 15105), (1235, 13674), (1290, 13091), (1378, 12255), (1482, 11395), (1590, 10621), (1634, 10335), (1677, 10070), (2014, 8385), (2067, 8170), (2279, 7410), (2451, 6890), (2470, 6837), (2795, 6042), (3021, 5590), (3354, 5035), (3445, 4902), (3705, 4558), (4085, 4134)]