2020138400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2389}}^1$

素因数の和:2567

約数の個数: 144

約数和(自身を含む): 5675886720

約数和(自身を除く): 3655748320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 151, 160, 175, 200, 224, 280, 302, 350, 400, 560, 604, 700, 755, 800, 1057, 1120, 1208, 1400, 1510, 2114, 2389, 2416, 2800, 3020, 3775, 4228, 4778, 4832, 5285, 5600, 6040, 7550, 8456, 9556, 10570, 11945, 12080, 15100, 16723, 16912, 19112, 21140, 23890, 24160, 26425, 30200, 33446, 33824, 38224, 42280, 47780, 52850, 59725, 60400, 66892, 76448, 83615, 84560, 95560, 105700, 119450, 120800, 133784, 167230, 169120, 191120, 211400, 238900, 267568, 334460, 360739, 382240, 418075, 422800, 477800, 535136, 668920, 721478, 836150, 845600, 955600, 1337840, 1442956, 1672300, 1803695, 1911200, 2525173, 2675680, 2885912, 3344600, 3607390, 5050346, 5771824, 6689200, 7214780, 9018475, 10100692, 11543648, 12625865, 13378400, 14429560, 18036950, 20201384, 25251730, 28859120, 36073900, 40402768, 50503460, 57718240, 63129325, 72147800, 80805536, 101006920, 126258650, 144295600, 202013840, 252517300, 288591200, 404027680, 505034600, 1010069200, 2020138400]

約数ペア:

[(1, 2020138400), (2, 1010069200), (4, 505034600), (5, 404027680), (7, 288591200), (8, 252517300), (10, 202013840), (14, 144295600), (16, 126258650), (20, 101006920), (25, 80805536), (28, 72147800), (32, 63129325), (35, 57718240), (40, 50503460), (50, 40402768), (56, 36073900), (70, 28859120), (80, 25251730), (100, 20201384), (112, 18036950), (140, 14429560), (151, 13378400), (160, 12625865), (175, 11543648), (200, 10100692), (224, 9018475), (280, 7214780), (302, 6689200), (350, 5771824), (400, 5050346), (560, 3607390), (604, 3344600), (700, 2885912), (755, 2675680), (800, 2525173), (1057, 1911200), (1120, 1803695), (1208, 1672300), (1400, 1442956), (1510, 1337840), (2114, 955600), (2389, 845600), (2416, 836150), (2800, 721478), (3020, 668920), (3775, 535136), (4228, 477800), (4778, 422800), (4832, 418075), (5285, 382240), (5600, 360739), (6040, 334460), (7550, 267568), (8456, 238900), (9556, 211400), (10570, 191120), (11945, 169120), (12080, 167230), (15100, 133784), (16723, 120800), (16912, 119450), (19112, 105700), (21140, 95560), (23890, 84560), (24160, 83615), (26425, 76448), (30200, 66892), (33446, 60400), (33824, 59725), (38224, 52850), (42280, 47780)]