1994459520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5273}}^1$

素因数の和:5492

約数の個数: 128

約数和(自身を含む): 6390822240

約数和(自身を除く): 4396362720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 320, 384, 394, 480, 591, 640, 788, 960, 985, 1182, 1576, 1920, 1970, 2364, 2955, 3152, 3940, 4728, 5273, 5910, 6304, 7880, 9456, 10546, 11820, 12608, 15760, 15819, 18912, 21092, 23640, 25216, 26365, 31520, 31638, 37824, 42184, 47280, 52730, 63040, 63276, 75648, 79095, 84368, 94560, 105460, 126080, 126552, 158190, 168736, 189120, 210920, 253104, 316380, 337472, 378240, 421840, 506208, 632760, 674944, 843680, 1012416, 1038781, 1265520, 1687360, 2024832, 2077562, 2531040, 3116343, 3374720, 4155124, 5062080, 5193905, 6232686, 8310248, 10124160, 10387810, 12465372, 15581715, 16620496, 20775620, 24930744, 31163430, 33240992, 41551240, 49861488, 62326860, 66481984, 83102480, 99722976, 124653720, 132963968, 166204960, 199445952, 249307440, 332409920, 398891904, 498614880, 664819840, 997229760, 1994459520]

約数ペア:

[(1, 1994459520), (2, 997229760), (3, 664819840), (4, 498614880), (5, 398891904), (6, 332409920), (8, 249307440), (10, 199445952), (12, 166204960), (15, 132963968), (16, 124653720), (20, 99722976), (24, 83102480), (30, 66481984), (32, 62326860), (40, 49861488), (48, 41551240), (60, 33240992), (64, 31163430), (80, 24930744), (96, 20775620), (120, 16620496), (128, 15581715), (160, 12465372), (192, 10387810), (197, 10124160), (240, 8310248), (320, 6232686), (384, 5193905), (394, 5062080), (480, 4155124), (591, 3374720), (640, 3116343), (788, 2531040), (960, 2077562), (985, 2024832), (1182, 1687360), (1576, 1265520), (1920, 1038781), (1970, 1012416), (2364, 843680), (2955, 674944), (3152, 632760), (3940, 506208), (4728, 421840), (5273, 378240), (5910, 337472), (6304, 316380), (7880, 253104), (9456, 210920), (10546, 189120), (11820, 168736), (12608, 158190), (15760, 126552), (15819, 126080), (18912, 105460), (21092, 94560), (23640, 84368), (25216, 79095), (26365, 75648), (31520, 63276), (31638, 63040), (37824, 52730), (42184, 47280)]