640008864

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{22447}}^1$

素因数の和:22480

約数の個数: 120

約数和(自身を含む): 2053453248

約数和(自身を除く): 1413444384

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 198, 216, 264, 288, 297, 324, 352, 396, 432, 528, 594, 648, 792, 864, 891, 1056, 1188, 1296, 1584, 1782, 2376, 2592, 3168, 3564, 4752, 7128, 9504, 14256, 22447, 28512, 44894, 67341, 89788, 134682, 179576, 202023, 246917, 269364, 359152, 404046, 493834, 538728, 606069, 718304, 740751, 808092, 987668, 1077456, 1212138, 1481502, 1616184, 1818207, 1975336, 2154912, 2222253, 2424276, 2963004, 3232368, 3636414, 3950672, 4444506, 4848552, 5926008, 6464736, 6666759, 7272828, 7901344, 8889012, 9697104, 11852016, 13333518, 14545656, 17778024, 19394208, 20000277, 23704032, 26667036, 29091312, 35556048, 40000554, 53334072, 58182624, 71112096, 80001108, 106668144, 160002216, 213336288, 320004432, 640008864]

約数ペア:

[(1, 640008864), (2, 320004432), (3, 213336288), (4, 160002216), (6, 106668144), (8, 80001108), (9, 71112096), (11, 58182624), (12, 53334072), (16, 40000554), (18, 35556048), (22, 29091312), (24, 26667036), (27, 23704032), (32, 20000277), (33, 19394208), (36, 17778024), (44, 14545656), (48, 13333518), (54, 11852016), (66, 9697104), (72, 8889012), (81, 7901344), (88, 7272828), (96, 6666759), (99, 6464736), (108, 5926008), (132, 4848552), (144, 4444506), (162, 3950672), (176, 3636414), (198, 3232368), (216, 2963004), (264, 2424276), (288, 2222253), (297, 2154912), (324, 1975336), (352, 1818207), (396, 1616184), (432, 1481502), (528, 1212138), (594, 1077456), (648, 987668), (792, 808092), (864, 740751), (891, 718304), (1056, 606069), (1188, 538728), (1296, 493834), (1584, 404046), (1782, 359152), (2376, 269364), (2592, 246917), (3168, 202023), (3564, 179576), (4752, 134682), (7128, 89788), (9504, 67341), (14256, 44894), (22447, 28512)]