644872490752

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1\times {\mathrm{6791}}^1$

素因数の和:9622

約数の個数: 144

約数和(自身を含む): 1549325836800

約数和(自身を除く): 904453346048

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 2789, 4256, 4864, 5578, 6791, 8512, 11156, 13582, 17024, 19523, 22312, 27164, 34048, 39046, 44624, 47537, 52991, 54328, 78092, 89248, 95074, 105982, 108656, 129029, 156184, 178496, 190148, 211964, 217312, 258058, 312368, 356992, 370937, 380296, 423928, 434624, 516116, 624736, 713984, 741874, 760592, 847856, 869248, 903203, 1032232, 1249472, 1483748, 1521184, 1695712, 1738496, 1806406, 2064464, 2498944, 2967496, 3042368, 3391424, 3612812, 4128928, 4997888, 5934992, 6084736, 6782848, 7225624, 8257856, 11869984, 12169472, 13565696, 14451248, 16515712, 18940099, 23739968, 28902496, 33031424, 37880198, 47479936, 57804992, 75760396, 94959872, 115609984, 132580693, 151520792, 231219968, 265161386, 303041584, 359861881, 530322772, 606083168, 719723762, 1060645544, 1212166336, 1439447524, 2121291088, 2424332672, 2519033167, 2878895048, 4242582176, 4848665344, 5038066334, 5757790096, 8485164352, 10076132668, 11515580192, 16970328704, 20152265336, 23031160384, 33940657408, 40304530672, 46062320768, 80609061344, 92124641536, 161218122688, 322436245376, 644872490752]

約数ペア:

[(1, 644872490752), (2, 322436245376), (4, 161218122688), (7, 92124641536), (8, 80609061344), (14, 46062320768), (16, 40304530672), (19, 33940657408), (28, 23031160384), (32, 20152265336), (38, 16970328704), (56, 11515580192), (64, 10076132668), (76, 8485164352), (112, 5757790096), (128, 5038066334), (133, 4848665344), (152, 4242582176), (224, 2878895048), (256, 2519033167), (266, 2424332672), (304, 2121291088), (448, 1439447524), (532, 1212166336), (608, 1060645544), (896, 719723762), (1064, 606083168), (1216, 530322772), (1792, 359861881), (2128, 303041584), (2432, 265161386), (2789, 231219968), (4256, 151520792), (4864, 132580693), (5578, 115609984), (6791, 94959872), (8512, 75760396), (11156, 57804992), (13582, 47479936), (17024, 37880198), (19523, 33031424), (22312, 28902496), (27164, 23739968), (34048, 18940099), (39046, 16515712), (44624, 14451248), (47537, 13565696), (52991, 12169472), (54328, 11869984), (78092, 8257856), (89248, 7225624), (95074, 6782848), (105982, 6084736), (108656, 5934992), (129029, 4997888), (156184, 4128928), (178496, 3612812), (190148, 3391424), (211964, 3042368), (217312, 2967496), (258058, 2498944), (312368, 2064464), (356992, 1806406), (370937, 1738496), (380296, 1695712), (423928, 1521184), (434624, 1483748), (516116, 1249472), (624736, 1032232), (713984, 903203), (741874, 869248), (760592, 847856)]