1640216424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20641}}^1$

素因数の和:20711

約数の個数: 128

約数和(自身を含む): 5231508480

約数和(自身を除く): 3591292056

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 43, 44, 56, 66, 77, 84, 86, 88, 129, 132, 154, 168, 172, 231, 258, 264, 301, 308, 344, 462, 473, 516, 602, 616, 903, 924, 946, 1032, 1204, 1419, 1806, 1848, 1892, 2408, 2838, 3311, 3612, 3784, 5676, 6622, 7224, 9933, 11352, 13244, 19866, 20641, 26488, 39732, 41282, 61923, 79464, 82564, 123846, 144487, 165128, 227051, 247692, 288974, 433461, 454102, 495384, 577948, 681153, 866922, 887563, 908204, 1155896, 1362306, 1589357, 1733844, 1775126, 1816408, 2662689, 2724612, 3178714, 3467688, 3550252, 4768071, 5325378, 5449224, 6212941, 6357428, 7100504, 9536142, 9763193, 10650756, 12425882, 12714856, 18638823, 19072284, 19526386, 21301512, 24851764, 29289579, 37277646, 38144568, 39052772, 49703528, 58579158, 68342351, 74555292, 78105544, 117158316, 136684702, 149110584, 205027053, 234316632, 273369404, 410054106, 546738808, 820108212, 1640216424]

約数ペア:

[(1, 1640216424), (2, 820108212), (3, 546738808), (4, 410054106), (6, 273369404), (7, 234316632), (8, 205027053), (11, 149110584), (12, 136684702), (14, 117158316), (21, 78105544), (22, 74555292), (24, 68342351), (28, 58579158), (33, 49703528), (42, 39052772), (43, 38144568), (44, 37277646), (56, 29289579), (66, 24851764), (77, 21301512), (84, 19526386), (86, 19072284), (88, 18638823), (129, 12714856), (132, 12425882), (154, 10650756), (168, 9763193), (172, 9536142), (231, 7100504), (258, 6357428), (264, 6212941), (301, 5449224), (308, 5325378), (344, 4768071), (462, 3550252), (473, 3467688), (516, 3178714), (602, 2724612), (616, 2662689), (903, 1816408), (924, 1775126), (946, 1733844), (1032, 1589357), (1204, 1362306), (1419, 1155896), (1806, 908204), (1848, 887563), (1892, 866922), (2408, 681153), (2838, 577948), (3311, 495384), (3612, 454102), (3784, 433461), (5676, 288974), (6622, 247692), (7224, 227051), (9933, 165128), (11352, 144487), (13244, 123846), (19866, 82564), (20641, 79464), (26488, 61923), (39732, 41282)]