81200640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 160

約数和(自身を含む): 264670560

約数和(自身を除く): 183469920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 109, 120, 128, 160, 192, 194, 218, 240, 256, 291, 320, 327, 384, 388, 436, 480, 485, 512, 545, 582, 640, 654, 768, 776, 872, 960, 970, 1090, 1164, 1280, 1308, 1455, 1536, 1552, 1635, 1744, 1920, 1940, 2180, 2328, 2560, 2616, 2910, 3104, 3270, 3488, 3840, 3880, 4360, 4656, 5232, 5820, 6208, 6540, 6976, 7680, 7760, 8720, 9312, 10464, 10573, 11640, 12416, 13080, 13952, 15520, 17440, 18624, 20928, 21146, 23280, 24832, 26160, 27904, 31040, 31719, 34880, 37248, 41856, 42292, 46560, 49664, 52320, 52865, 55808, 62080, 63438, 69760, 74496, 83712, 84584, 93120, 104640, 105730, 124160, 126876, 139520, 148992, 158595, 167424, 169168, 186240, 209280, 211460, 248320, 253752, 279040, 317190, 338336, 372480, 418560, 422920, 507504, 634380, 676672, 744960, 837120, 845840, 1015008, 1268760, 1353344, 1691680, 2030016, 2537520, 2706688, 3383360, 4060032, 5075040, 5413376, 6766720, 8120064, 10150080, 13533440, 16240128, 20300160, 27066880, 40600320, 81200640]

約数ペア:

[(1, 81200640), (2, 40600320), (3, 27066880), (4, 20300160), (5, 16240128), (6, 13533440), (8, 10150080), (10, 8120064), (12, 6766720), (15, 5413376), (16, 5075040), (20, 4060032), (24, 3383360), (30, 2706688), (32, 2537520), (40, 2030016), (48, 1691680), (60, 1353344), (64, 1268760), (80, 1015008), (96, 845840), (97, 837120), (109, 744960), (120, 676672), (128, 634380), (160, 507504), (192, 422920), (194, 418560), (218, 372480), (240, 338336), (256, 317190), (291, 279040), (320, 253752), (327, 248320), (384, 211460), (388, 209280), (436, 186240), (480, 169168), (485, 167424), (512, 158595), (545, 148992), (582, 139520), (640, 126876), (654, 124160), (768, 105730), (776, 104640), (872, 93120), (960, 84584), (970, 83712), (1090, 74496), (1164, 69760), (1280, 63438), (1308, 62080), (1455, 55808), (1536, 52865), (1552, 52320), (1635, 49664), (1744, 46560), (1920, 42292), (1940, 41856), (2180, 37248), (2328, 34880), (2560, 31719), (2616, 31040), (2910, 27904), (3104, 26160), (3270, 24832), (3488, 23280), (3840, 21146), (3880, 20928), (4360, 18624), (4656, 17440), (5232, 15520), (5820, 13952), (6208, 13080), (6540, 12416), (6976, 11640), (7680, 10573), (7760, 10464), (8720, 9312)]