1649431040

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33911}}^1$

素因数の和:33953

約数の個数: 80

約数和(自身を含む): 4163037120

約数和(自身を除く): 2513606080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 6080, 9728, 12160, 24320, 33911, 48640, 67822, 135644, 169555, 271288, 339110, 542576, 644309, 678220, 1085152, 1288618, 1356440, 2170304, 2577236, 2712880, 3221545, 4340608, 5154472, 5425760, 6443090, 8681216, 10308944, 10851520, 12886180, 17362432, 20617888, 21703040, 25772360, 41235776, 43406080, 51544720, 82471552, 86812160, 103089440, 164943104, 206178880, 329886208, 412357760, 824715520, 1649431040]

約数ペア:

[(1, 1649431040), (2, 824715520), (4, 412357760), (5, 329886208), (8, 206178880), (10, 164943104), (16, 103089440), (19, 86812160), (20, 82471552), (32, 51544720), (38, 43406080), (40, 41235776), (64, 25772360), (76, 21703040), (80, 20617888), (95, 17362432), (128, 12886180), (152, 10851520), (160, 10308944), (190, 8681216), (256, 6443090), (304, 5425760), (320, 5154472), (380, 4340608), (512, 3221545), (608, 2712880), (640, 2577236), (760, 2170304), (1216, 1356440), (1280, 1288618), (1520, 1085152), (2432, 678220), (2560, 644309), (3040, 542576), (4864, 339110), (6080, 271288), (9728, 169555), (12160, 135644), (24320, 67822), (33911, 48640)]