640784088

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 256

約数和(自身を含む): 2123366400

約数和(自身を除く): 1482582312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 47, 54, 56, 63, 71, 72, 84, 94, 108, 126, 127, 141, 142, 168, 188, 189, 213, 216, 252, 254, 282, 284, 329, 376, 378, 381, 423, 426, 497, 504, 508, 564, 568, 639, 658, 756, 762, 846, 852, 889, 987, 994, 1016, 1128, 1143, 1269, 1278, 1316, 1491, 1512, 1524, 1692, 1704, 1778, 1917, 1974, 1988, 2286, 2538, 2556, 2632, 2667, 2961, 2982, 3048, 3337, 3384, 3429, 3556, 3834, 3948, 3976, 4473, 4572, 5076, 5112, 5334, 5922, 5964, 5969, 6674, 6858, 7112, 7668, 7896, 8001, 8883, 8946, 9017, 9144, 10011, 10152, 10668, 11844, 11928, 11938, 13348, 13419, 13716, 15336, 16002, 17766, 17892, 17907, 18034, 20022, 21336, 23359, 23688, 23876, 24003, 26696, 26838, 27051, 27432, 30033, 32004, 35532, 35784, 35814, 36068, 40044, 41783, 46718, 47752, 48006, 53676, 53721, 54102, 60066, 63119, 64008, 70077, 71064, 71628, 72136, 80088, 81153, 83566, 90099, 93436, 96012, 107352, 107442, 108204, 120132, 125349, 126238, 140154, 143256, 161163, 162306, 167132, 180198, 186872, 189357, 192024, 210231, 214884, 216408, 240264, 243459, 250698, 252476, 280308, 322326, 324612, 334264, 360396, 376047, 378714, 420462, 423799, 429768, 486918, 501396, 504952, 560616, 568071, 630693, 644652, 649224, 720792, 752094, 757428, 840924, 847598, 973836, 1002792, 1128141, 1136142, 1261386, 1271397, 1289304, 1504188, 1514856, 1681848, 1695196, 1704213, 1947672, 2256282, 2272284, 2522772, 2542794, 2966593, 3008376, 3390392, 3408426, 3814191, 4512564, 4544568, 5045544, 5085588, 5933186, 6816852, 7628382, 8899779, 9025128, 10171176, 11442573, 11866372, 13633704, 15256764, 17799558, 22885146, 23732744, 26699337, 30513528, 35599116, 45770292, 53398674, 71198232, 80098011, 91540584, 106797348, 160196022, 213594696, 320392044, 640784088]

約数ペア:

[(1, 640784088), (2, 320392044), (3, 213594696), (4, 160196022), (6, 106797348), (7, 91540584), (8, 80098011), (9, 71198232), (12, 53398674), (14, 45770292), (18, 35599116), (21, 30513528), (24, 26699337), (27, 23732744), (28, 22885146), (36, 17799558), (42, 15256764), (47, 13633704), (54, 11866372), (56, 11442573), (63, 10171176), (71, 9025128), (72, 8899779), (84, 7628382), (94, 6816852), (108, 5933186), (126, 5085588), (127, 5045544), (141, 4544568), (142, 4512564), (168, 3814191), (188, 3408426), (189, 3390392), (213, 3008376), (216, 2966593), (252, 2542794), (254, 2522772), (282, 2272284), (284, 2256282), (329, 1947672), (376, 1704213), (378, 1695196), (381, 1681848), (423, 1514856), (426, 1504188), (497, 1289304), (504, 1271397), (508, 1261386), (564, 1136142), (568, 1128141), (639, 1002792), (658, 973836), (756, 847598), (762, 840924), (846, 757428), (852, 752094), (889, 720792), (987, 649224), (994, 644652), (1016, 630693), (1128, 568071), (1143, 560616), (1269, 504952), (1278, 501396), (1316, 486918), (1491, 429768), (1512, 423799), (1524, 420462), (1692, 378714), (1704, 376047), (1778, 360396), (1917, 334264), (1974, 324612), (1988, 322326), (2286, 280308), (2538, 252476), (2556, 250698), (2632, 243459), (2667, 240264), (2961, 216408), (2982, 214884), (3048, 210231), (3337, 192024), (3384, 189357), (3429, 186872), (3556, 180198), (3834, 167132), (3948, 162306), (3976, 161163), (4473, 143256), (4572, 140154), (5076, 126238), (5112, 125349), (5334, 120132), (5922, 108204), (5964, 107442), (5969, 107352), (6674, 96012), (6858, 93436), (7112, 90099), (7668, 83566), (7896, 81153), (8001, 80088), (8883, 72136), (8946, 71628), (9017, 71064), (9144, 70077), (10011, 64008), (10152, 63119), (10668, 60066), (11844, 54102), (11928, 53721), (11938, 53676), (13348, 48006), (13419, 47752), (13716, 46718), (15336, 41783), (16002, 40044), (17766, 36068), (17892, 35814), (17907, 35784), (18034, 35532), (20022, 32004), (21336, 30033), (23359, 27432), (23688, 27051), (23876, 26838), (24003, 26696)]