640903248

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{919}}^1$

素因数の和:1129

約数の個数: 120

約数和(自身を含む): 1868630400

約数和(自身を除く): 1227727152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 167, 174, 232, 261, 334, 348, 464, 501, 522, 668, 696, 919, 1002, 1044, 1336, 1392, 1503, 1838, 2004, 2088, 2672, 2757, 3006, 3676, 4008, 4176, 4843, 5514, 6012, 7352, 8016, 8271, 9686, 11028, 12024, 14529, 14704, 16542, 19372, 22056, 24048, 26651, 29058, 33084, 38744, 43587, 44112, 53302, 58116, 66168, 77488, 79953, 87174, 106604, 116232, 132336, 153473, 159906, 174348, 213208, 232464, 239859, 306946, 319812, 348696, 426416, 460419, 479718, 613892, 639624, 697392, 920838, 959436, 1227784, 1279248, 1381257, 1841676, 1918872, 2455568, 2762514, 3683352, 3837744, 4450717, 5525028, 7366704, 8901434, 11050056, 13352151, 17802868, 22100112, 26704302, 35605736, 40056453, 53408604, 71211472, 80112906, 106817208, 160225812, 213634416, 320451624, 640903248]

約数ペア:

[(1, 640903248), (2, 320451624), (3, 213634416), (4, 160225812), (6, 106817208), (8, 80112906), (9, 71211472), (12, 53408604), (16, 40056453), (18, 35605736), (24, 26704302), (29, 22100112), (36, 17802868), (48, 13352151), (58, 11050056), (72, 8901434), (87, 7366704), (116, 5525028), (144, 4450717), (167, 3837744), (174, 3683352), (232, 2762514), (261, 2455568), (334, 1918872), (348, 1841676), (464, 1381257), (501, 1279248), (522, 1227784), (668, 959436), (696, 920838), (919, 697392), (1002, 639624), (1044, 613892), (1336, 479718), (1392, 460419), (1503, 426416), (1838, 348696), (2004, 319812), (2088, 306946), (2672, 239859), (2757, 232464), (3006, 213208), (3676, 174348), (4008, 159906), (4176, 153473), (4843, 132336), (5514, 116232), (6012, 106604), (7352, 87174), (8016, 79953), (8271, 77488), (9686, 66168), (11028, 58116), (12024, 53302), (14529, 44112), (14704, 43587), (16542, 38744), (19372, 33084), (22056, 29058), (24048, 26651)]