1311784960

素因数分解:

$2^{14}\times 5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 3208544640

約数和(自身を除く): 1896759680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 239, 256, 268, 320, 335, 478, 512, 536, 640, 670, 956, 1024, 1072, 1195, 1280, 1340, 1912, 2048, 2144, 2390, 2560, 2680, 3824, 4096, 4288, 4780, 5120, 5360, 7648, 8192, 8576, 9560, 10240, 10720, 15296, 16013, 16384, 17152, 19120, 20480, 21440, 30592, 32026, 34304, 38240, 40960, 42880, 61184, 64052, 68608, 76480, 80065, 81920, 85760, 122368, 128104, 137216, 152960, 160130, 171520, 244736, 256208, 274432, 305920, 320260, 343040, 489472, 512416, 548864, 611840, 640520, 686080, 978944, 1024832, 1097728, 1223680, 1281040, 1372160, 1957888, 2049664, 2447360, 2562080, 2744320, 3915776, 4099328, 4894720, 5124160, 5488640, 8198656, 9789440, 10248320, 16397312, 19578880, 20496640, 32794624, 40993280, 65589248, 81986560, 131178496, 163973120, 262356992, 327946240, 655892480, 1311784960]

約数ペア:

[(1, 1311784960), (2, 655892480), (4, 327946240), (5, 262356992), (8, 163973120), (10, 131178496), (16, 81986560), (20, 65589248), (32, 40993280), (40, 32794624), (64, 20496640), (67, 19578880), (80, 16397312), (128, 10248320), (134, 9789440), (160, 8198656), (239, 5488640), (256, 5124160), (268, 4894720), (320, 4099328), (335, 3915776), (478, 2744320), (512, 2562080), (536, 2447360), (640, 2049664), (670, 1957888), (956, 1372160), (1024, 1281040), (1072, 1223680), (1195, 1097728), (1280, 1024832), (1340, 978944), (1912, 686080), (2048, 640520), (2144, 611840), (2390, 548864), (2560, 512416), (2680, 489472), (3824, 343040), (4096, 320260), (4288, 305920), (4780, 274432), (5120, 256208), (5360, 244736), (7648, 171520), (8192, 160130), (8576, 152960), (9560, 137216), (10240, 128104), (10720, 122368), (15296, 85760), (16013, 81920), (16384, 80065), (17152, 76480), (19120, 68608), (20480, 64052), (21440, 61184), (30592, 42880), (32026, 40960), (34304, 38240)]