128423484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17573}}^1$

素因数の和:17619

約数の個数: 72

約数和(自身を含む): 383816160

約数和(自身を除く): 255392676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 7308, 17573, 35146, 52719, 70292, 105438, 123011, 158157, 210876, 246022, 316314, 369033, 492044, 509617, 632628, 738066, 1019234, 1107099, 1476132, 1528851, 2038468, 2214198, 3057702, 3567319, 4428396, 4586553, 6115404, 7134638, 9173106, 10701957, 14269276, 18346212, 21403914, 32105871, 42807828, 64211742, 128423484]

約数ペア:

[(1, 128423484), (2, 64211742), (3, 42807828), (4, 32105871), (6, 21403914), (7, 18346212), (9, 14269276), (12, 10701957), (14, 9173106), (18, 7134638), (21, 6115404), (28, 4586553), (29, 4428396), (36, 3567319), (42, 3057702), (58, 2214198), (63, 2038468), (84, 1528851), (87, 1476132), (116, 1107099), (126, 1019234), (174, 738066), (203, 632628), (252, 509617), (261, 492044), (348, 369033), (406, 316314), (522, 246022), (609, 210876), (812, 158157), (1044, 123011), (1218, 105438), (1827, 70292), (2436, 52719), (3654, 35146), (7308, 17573)]