1278532707840

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{55491871}}^1$

素因数の和:55491900

約数の個数: 120

約数和(自身を含む): 4427918434368

約数和(自身を除く): 3149385726528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11520, 23040, 55491871, 110983742, 166475613, 221967484, 277459355, 332951226, 443934968, 499426839, 554918710, 665902452, 832378065, 887869936, 998853678, 1109837420, 1331804904, 1664756130, 1775739872, 1997707356, 2219674840, 2497134195, 2663609808, 3329512260, 3551479744, 3995414712, 4439349680, 4994268390, 5327219616, 6659024520, 7102959488, 7990829424, 8878699360, 9988536780, 10654439232, 13318049040, 14205918976, 15981658848, 17757398720, 19977073560, 21308878464, 26636098080, 28411837952, 31963317696, 35514797440, 39954147120, 42617756928, 53272196160, 63926635392, 71029594880, 79908294240, 85235513856, 106544392320, 127853270784, 142059189760, 159816588480, 213088784640, 255706541568, 319633176960, 426177569280, 639266353920, 1278532707840]

約数ペア:

[(1, 1278532707840), (2, 639266353920), (3, 426177569280), (4, 319633176960), (5, 255706541568), (6, 213088784640), (8, 159816588480), (9, 142059189760), (10, 127853270784), (12, 106544392320), (15, 85235513856), (16, 79908294240), (18, 71029594880), (20, 63926635392), (24, 53272196160), (30, 42617756928), (32, 39954147120), (36, 35514797440), (40, 31963317696), (45, 28411837952), (48, 26636098080), (60, 21308878464), (64, 19977073560), (72, 17757398720), (80, 15981658848), (90, 14205918976), (96, 13318049040), (120, 10654439232), (128, 9988536780), (144, 8878699360), (160, 7990829424), (180, 7102959488), (192, 6659024520), (240, 5327219616), (256, 4994268390), (288, 4439349680), (320, 3995414712), (360, 3551479744), (384, 3329512260), (480, 2663609808), (512, 2497134195), (576, 2219674840), (640, 1997707356), (720, 1775739872), (768, 1664756130), (960, 1331804904), (1152, 1109837420), (1280, 998853678), (1440, 887869936), (1536, 832378065), (1920, 665902452), (2304, 554918710), (2560, 499426839), (2880, 443934968), (3840, 332951226), (4608, 277459355), (5760, 221967484), (7680, 166475613), (11520, 110983742), (23040, 55491871)]