640940832

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:648

約数の個数: 288

約数和(自身を含む): 2272233600

約数和(自身を除く): 1631292768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 29, 32, 36, 38, 42, 48, 56, 57, 58, 63, 72, 76, 84, 87, 96, 112, 114, 116, 126, 133, 144, 152, 168, 171, 174, 203, 224, 228, 232, 252, 261, 266, 288, 304, 336, 342, 348, 399, 406, 456, 464, 504, 522, 532, 551, 577, 608, 609, 672, 684, 696, 798, 812, 912, 928, 1008, 1044, 1064, 1102, 1154, 1197, 1218, 1368, 1392, 1596, 1624, 1653, 1731, 1824, 1827, 2016, 2088, 2128, 2204, 2308, 2394, 2436, 2736, 2784, 3192, 3248, 3306, 3462, 3654, 3857, 4039, 4176, 4256, 4408, 4616, 4788, 4872, 4959, 5193, 5472, 6384, 6496, 6612, 6924, 7308, 7714, 8078, 8352, 8816, 9232, 9576, 9744, 9918, 10386, 10963, 11571, 12117, 12768, 13224, 13848, 14616, 15428, 16156, 16733, 17632, 18464, 19152, 19488, 19836, 20772, 21926, 23142, 24234, 26448, 27696, 29232, 30856, 32312, 32889, 33466, 34713, 36351, 38304, 39672, 41544, 43852, 46284, 48468, 50199, 52896, 55392, 58464, 61712, 64624, 65778, 66932, 69426, 72702, 76741, 79344, 83088, 87704, 92568, 96936, 98667, 100398, 117131, 123424, 129248, 131556, 133864, 138852, 145404, 150597, 153482, 158688, 166176, 175408, 185136, 193872, 197334, 200796, 230223, 234262, 263112, 267728, 277704, 290808, 301194, 306964, 317927, 350816, 351393, 370272, 387744, 394668, 401592, 460446, 468524, 526224, 535456, 555408, 581616, 602388, 613928, 635854, 690669, 702786, 789336, 803184, 920892, 937048, 953781, 1052448, 1054179, 1110816, 1163232, 1204776, 1227856, 1271708, 1381338, 1405572, 1578672, 1606368, 1841784, 1874096, 1907562, 2108358, 2225489, 2409552, 2455712, 2543416, 2762676, 2811144, 2861343, 3157344, 3683568, 3748192, 3815124, 4216716, 4450978, 4819104, 5086832, 5525352, 5622288, 5722686, 6676467, 7367136, 7630248, 8433432, 8901956, 10173664, 11050704, 11244576, 11445372, 13352934, 15260496, 16866864, 17803912, 20029401, 22101408, 22890744, 26705868, 30520992, 33733728, 35607824, 40058802, 45781488, 53411736, 71215648, 80117604, 91562976, 106823472, 160235208, 213646944, 320470416, 640940832]

約数ペア:

[(1, 640940832), (2, 320470416), (3, 213646944), (4, 160235208), (6, 106823472), (7, 91562976), (8, 80117604), (9, 71215648), (12, 53411736), (14, 45781488), (16, 40058802), (18, 35607824), (19, 33733728), (21, 30520992), (24, 26705868), (28, 22890744), (29, 22101408), (32, 20029401), (36, 17803912), (38, 16866864), (42, 15260496), (48, 13352934), (56, 11445372), (57, 11244576), (58, 11050704), (63, 10173664), (72, 8901956), (76, 8433432), (84, 7630248), (87, 7367136), (96, 6676467), (112, 5722686), (114, 5622288), (116, 5525352), (126, 5086832), (133, 4819104), (144, 4450978), (152, 4216716), (168, 3815124), (171, 3748192), (174, 3683568), (203, 3157344), (224, 2861343), (228, 2811144), (232, 2762676), (252, 2543416), (261, 2455712), (266, 2409552), (288, 2225489), (304, 2108358), (336, 1907562), (342, 1874096), (348, 1841784), (399, 1606368), (406, 1578672), (456, 1405572), (464, 1381338), (504, 1271708), (522, 1227856), (532, 1204776), (551, 1163232), (577, 1110816), (608, 1054179), (609, 1052448), (672, 953781), (684, 937048), (696, 920892), (798, 803184), (812, 789336), (912, 702786), (928, 690669), (1008, 635854), (1044, 613928), (1064, 602388), (1102, 581616), (1154, 555408), (1197, 535456), (1218, 526224), (1368, 468524), (1392, 460446), (1596, 401592), (1624, 394668), (1653, 387744), (1731, 370272), (1824, 351393), (1827, 350816), (2016, 317927), (2088, 306964), (2128, 301194), (2204, 290808), (2308, 277704), (2394, 267728), (2436, 263112), (2736, 234262), (2784, 230223), (3192, 200796), (3248, 197334), (3306, 193872), (3462, 185136), (3654, 175408), (3857, 166176), (4039, 158688), (4176, 153482), (4256, 150597), (4408, 145404), (4616, 138852), (4788, 133864), (4872, 131556), (4959, 129248), (5193, 123424), (5472, 117131), (6384, 100398), (6496, 98667), (6612, 96936), (6924, 92568), (7308, 87704), (7714, 83088), (8078, 79344), (8352, 76741), (8816, 72702), (9232, 69426), (9576, 66932), (9744, 65778), (9918, 64624), (10386, 61712), (10963, 58464), (11571, 55392), (12117, 52896), (12768, 50199), (13224, 48468), (13848, 46284), (14616, 43852), (15428, 41544), (16156, 39672), (16733, 38304), (17632, 36351), (18464, 34713), (19152, 33466), (19488, 32889), (19836, 32312), (20772, 30856), (21926, 29232), (23142, 27696), (24234, 26448)]