1313966720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10979}}^1$

素因数の和:11026

約数の個数: 128

約数和(自身を含む): 3628670400

約数和(自身を除く): 2314703680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 680, 704, 748, 880, 935, 1088, 1360, 1408, 1496, 1760, 1870, 2176, 2720, 2992, 3520, 3740, 5440, 5984, 7040, 7480, 10880, 10979, 11968, 14960, 21958, 23936, 29920, 43916, 54895, 59840, 87832, 109790, 119680, 120769, 175664, 186643, 219580, 241538, 351328, 373286, 439160, 483076, 603845, 702656, 746572, 878320, 933215, 966152, 1207690, 1405312, 1493144, 1756640, 1866430, 1932304, 2053073, 2415380, 2986288, 3513280, 3732860, 3864608, 4106146, 4830760, 5972576, 7026560, 7465720, 7729216, 8212292, 9661520, 10265365, 11945152, 14931440, 15458432, 16424584, 19323040, 20530730, 23890304, 29862880, 32849168, 38646080, 41061460, 59725760, 65698336, 77292160, 82122920, 119451520, 131396672, 164245840, 262793344, 328491680, 656983360, 1313966720]

約数ペア:

[(1, 1313966720), (2, 656983360), (4, 328491680), (5, 262793344), (8, 164245840), (10, 131396672), (11, 119451520), (16, 82122920), (17, 77292160), (20, 65698336), (22, 59725760), (32, 41061460), (34, 38646080), (40, 32849168), (44, 29862880), (55, 23890304), (64, 20530730), (68, 19323040), (80, 16424584), (85, 15458432), (88, 14931440), (110, 11945152), (128, 10265365), (136, 9661520), (160, 8212292), (170, 7729216), (176, 7465720), (187, 7026560), (220, 5972576), (272, 4830760), (320, 4106146), (340, 3864608), (352, 3732860), (374, 3513280), (440, 2986288), (544, 2415380), (640, 2053073), (680, 1932304), (704, 1866430), (748, 1756640), (880, 1493144), (935, 1405312), (1088, 1207690), (1360, 966152), (1408, 933215), (1496, 878320), (1760, 746572), (1870, 702656), (2176, 603845), (2720, 483076), (2992, 439160), (3520, 373286), (3740, 351328), (5440, 241538), (5984, 219580), (7040, 186643), (7480, 175664), (10880, 120769), (10979, 119680), (11968, 109790), (14960, 87832), (21958, 59840), (23936, 54895), (29920, 43916)]