31038722560

素因数分解:

$2^9\times 5^1\times {\mathrm{577}}^1\times {\mathrm{21013}}^1$

素因数の和:21613

約数の個数: 80

約数和(自身を含む): 74552712696

約数和(自身を除く): 43513990136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 577, 640, 1154, 1280, 2308, 2560, 2885, 4616, 5770, 9232, 11540, 18464, 21013, 23080, 36928, 42026, 46160, 73856, 84052, 92320, 105065, 147712, 168104, 184640, 210130, 295424, 336208, 369280, 420260, 672416, 738560, 840520, 1344832, 1477120, 1681040, 2689664, 3362080, 5379328, 6724160, 10758656, 12124501, 13448320, 24249002, 26896640, 48498004, 53793280, 60622505, 96996008, 121245010, 193992016, 242490020, 387984032, 484980040, 775968064, 969960080, 1551936128, 1939920160, 3103872256, 3879840320, 6207744512, 7759680640, 15519361280, 31038722560]

約数ペア:

[(1, 31038722560), (2, 15519361280), (4, 7759680640), (5, 6207744512), (8, 3879840320), (10, 3103872256), (16, 1939920160), (20, 1551936128), (32, 969960080), (40, 775968064), (64, 484980040), (80, 387984032), (128, 242490020), (160, 193992016), (256, 121245010), (320, 96996008), (512, 60622505), (577, 53793280), (640, 48498004), (1154, 26896640), (1280, 24249002), (2308, 13448320), (2560, 12124501), (2885, 10758656), (4616, 6724160), (5770, 5379328), (9232, 3362080), (11540, 2689664), (18464, 1681040), (21013, 1477120), (23080, 1344832), (36928, 840520), (42026, 738560), (46160, 672416), (73856, 420260), (84052, 369280), (92320, 336208), (105065, 295424), (147712, 210130), (168104, 184640)]