7681555980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{320867}}^1$

素因数の和:320908

約数の個数: 144

約数和(自身を含む): 28031028480

約数和(自身を除く): 20349472500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 320867, 641734, 962601, 1283468, 1604335, 1925202, 2246069, 2887803, 3208670, 3850404, 4492138, 4813005, 5775606, 6096473, 6417340, 6738207, 8984276, 9626010, 11230345, 11551212, 12192946, 13476414, 14439015, 18289419, 19252020, 20214621, 22460690, 24385892, 26952828, 28878030, 30482365, 33691035, 36578838, 40429242, 42675311, 44921380, 54868257, 57756060, 60964730, 67382070, 73157676, 80858484, 85350622, 91447095, 101073105, 109736514, 121929460, 128025933, 134764140, 170701244, 182894190, 202146210, 213376555, 219473028, 256051866, 274341285, 365788380, 384077799, 404292420, 426753110, 512103732, 548682570, 640129665, 768155598, 853506220, 1097365140, 1280259330, 1536311196, 1920388995, 2560518660, 3840777990, 7681555980]

約数ペア:

[(1, 7681555980), (2, 3840777990), (3, 2560518660), (4, 1920388995), (5, 1536311196), (6, 1280259330), (7, 1097365140), (9, 853506220), (10, 768155598), (12, 640129665), (14, 548682570), (15, 512103732), (18, 426753110), (19, 404292420), (20, 384077799), (21, 365788380), (28, 274341285), (30, 256051866), (35, 219473028), (36, 213376555), (38, 202146210), (42, 182894190), (45, 170701244), (57, 134764140), (60, 128025933), (63, 121929460), (70, 109736514), (76, 101073105), (84, 91447095), (90, 85350622), (95, 80858484), (105, 73157676), (114, 67382070), (126, 60964730), (133, 57756060), (140, 54868257), (171, 44921380), (180, 42675311), (190, 40429242), (210, 36578838), (228, 33691035), (252, 30482365), (266, 28878030), (285, 26952828), (315, 24385892), (342, 22460690), (380, 20214621), (399, 19252020), (420, 18289419), (532, 14439015), (570, 13476414), (630, 12192946), (665, 11551212), (684, 11230345), (798, 9626010), (855, 8984276), (1140, 6738207), (1197, 6417340), (1260, 6096473), (1330, 5775606), (1596, 4813005), (1710, 4492138), (1995, 3850404), (2394, 3208670), (2660, 2887803), (3420, 2246069), (3990, 1925202), (4788, 1604335), (5985, 1283468), (7980, 962601), (11970, 641734), (23940, 320867)]