320467980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 192

約数和(自身を含む): 1077027840

約数和(自身を除く): 756559860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 83, 84, 87, 105, 116, 140, 145, 166, 174, 203, 210, 249, 290, 317, 332, 348, 406, 415, 420, 435, 498, 580, 581, 609, 634, 812, 830, 870, 951, 996, 1015, 1162, 1218, 1245, 1268, 1585, 1660, 1740, 1743, 1902, 2030, 2219, 2324, 2407, 2436, 2490, 2905, 3045, 3170, 3486, 3804, 4060, 4438, 4755, 4814, 4980, 5810, 6090, 6340, 6657, 6972, 7221, 8715, 8876, 9193, 9510, 9628, 11095, 11620, 12035, 12180, 13314, 14442, 16849, 17430, 18386, 19020, 22190, 24070, 26311, 26628, 27579, 28884, 33285, 33698, 34860, 36105, 36772, 44380, 45965, 48140, 50547, 52622, 55158, 64351, 66570, 67396, 72210, 78933, 84245, 91930, 101094, 105244, 110316, 128702, 131555, 133140, 137895, 144420, 157866, 168490, 183860, 184177, 193053, 202188, 252735, 257404, 263110, 275790, 315732, 321755, 336980, 368354, 386106, 394665, 505470, 526220, 551580, 552531, 643510, 736708, 763019, 772212, 789330, 920885, 965265, 1010940, 1105062, 1287020, 1526038, 1578660, 1841770, 1930530, 2210124, 2289057, 2762655, 3052076, 3683540, 3815095, 3861060, 4578114, 5341133, 5525310, 7630190, 9156228, 10682266, 11050620, 11445285, 15260380, 16023399, 21364532, 22890570, 26705665, 32046798, 45781140, 53411330, 64093596, 80116995, 106822660, 160233990, 320467980]

約数ペア:

[(1, 320467980), (2, 160233990), (3, 106822660), (4, 80116995), (5, 64093596), (6, 53411330), (7, 45781140), (10, 32046798), (12, 26705665), (14, 22890570), (15, 21364532), (20, 16023399), (21, 15260380), (28, 11445285), (29, 11050620), (30, 10682266), (35, 9156228), (42, 7630190), (58, 5525310), (60, 5341133), (70, 4578114), (83, 3861060), (84, 3815095), (87, 3683540), (105, 3052076), (116, 2762655), (140, 2289057), (145, 2210124), (166, 1930530), (174, 1841770), (203, 1578660), (210, 1526038), (249, 1287020), (290, 1105062), (317, 1010940), (332, 965265), (348, 920885), (406, 789330), (415, 772212), (420, 763019), (435, 736708), (498, 643510), (580, 552531), (581, 551580), (609, 526220), (634, 505470), (812, 394665), (830, 386106), (870, 368354), (951, 336980), (996, 321755), (1015, 315732), (1162, 275790), (1218, 263110), (1245, 257404), (1268, 252735), (1585, 202188), (1660, 193053), (1740, 184177), (1743, 183860), (1902, 168490), (2030, 157866), (2219, 144420), (2324, 137895), (2407, 133140), (2436, 131555), (2490, 128702), (2905, 110316), (3045, 105244), (3170, 101094), (3486, 91930), (3804, 84245), (4060, 78933), (4438, 72210), (4755, 67396), (4814, 66570), (4980, 64351), (5810, 55158), (6090, 52622), (6340, 50547), (6657, 48140), (6972, 45965), (7221, 44380), (8715, 36772), (8876, 36105), (9193, 34860), (9510, 33698), (9628, 33285), (11095, 28884), (11620, 27579), (12035, 26628), (12180, 26311), (13314, 24070), (14442, 22190), (16849, 19020), (17430, 18386)]