68841540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2113}}^1$

素因数の和:2309

約数の個数: 72

約数和(自身を含む): 210072408

約数和(自身を除く): 141230868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2113, 2172, 2715, 3258, 3620, 4226, 5430, 6339, 6516, 8145, 8452, 10565, 10860, 12678, 16290, 19017, 21130, 25356, 31695, 32580, 38034, 42260, 63390, 76068, 95085, 126780, 190170, 380340, 382453, 764906, 1147359, 1529812, 1912265, 2294718, 3442077, 3824530, 4589436, 5736795, 6884154, 7649060, 11473590, 13768308, 17210385, 22947180, 34420770, 68841540]

約数ペア:

[(1, 68841540), (2, 34420770), (3, 22947180), (4, 17210385), (5, 13768308), (6, 11473590), (9, 7649060), (10, 6884154), (12, 5736795), (15, 4589436), (18, 3824530), (20, 3442077), (30, 2294718), (36, 1912265), (45, 1529812), (60, 1147359), (90, 764906), (180, 382453), (181, 380340), (362, 190170), (543, 126780), (724, 95085), (905, 76068), (1086, 63390), (1629, 42260), (1810, 38034), (2113, 32580), (2172, 31695), (2715, 25356), (3258, 21130), (3620, 19017), (4226, 16290), (5430, 12678), (6339, 10860), (6516, 10565), (8145, 8452)]