31616640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 119340000

約数和(自身を除く): 87723360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 499, 528, 576, 640, 660, 704, 720, 792, 880, 960, 990, 998, 1056, 1152, 1320, 1408, 1440, 1497, 1584, 1760, 1920, 1980, 1996, 2112, 2495, 2640, 2880, 2994, 3168, 3520, 3960, 3992, 4224, 4491, 4990, 5280, 5489, 5760, 5988, 6336, 7040, 7485, 7920, 7984, 8982, 9980, 10560, 10978, 11976, 12672, 14970, 15840, 15968, 16467, 17964, 19960, 21120, 21956, 22455, 23952, 27445, 29940, 31680, 31936, 32934, 35928, 39920, 43912, 44910, 47904, 49401, 54890, 59880, 63360, 63872, 65868, 71856, 79840, 82335, 87824, 89820, 95808, 98802, 109780, 119760, 131736, 143712, 159680, 164670, 175648, 179640, 191616, 197604, 219560, 239520, 247005, 263472, 287424, 319360, 329340, 351296, 359280, 395208, 439120, 479040, 494010, 526944, 574848, 658680, 702592, 718560, 790416, 878240, 958080, 988020, 1053888, 1317360, 1437120, 1580832, 1756480, 1976040, 2107776, 2634720, 2874240, 3161664, 3512960, 3952080, 5269440, 6323328, 7904160, 10538880, 15808320, 31616640]

約数ペア:

[(1, 31616640), (2, 15808320), (3, 10538880), (4, 7904160), (5, 6323328), (6, 5269440), (8, 3952080), (9, 3512960), (10, 3161664), (11, 2874240), (12, 2634720), (15, 2107776), (16, 1976040), (18, 1756480), (20, 1580832), (22, 1437120), (24, 1317360), (30, 1053888), (32, 988020), (33, 958080), (36, 878240), (40, 790416), (44, 718560), (45, 702592), (48, 658680), (55, 574848), (60, 526944), (64, 494010), (66, 479040), (72, 439120), (80, 395208), (88, 359280), (90, 351296), (96, 329340), (99, 319360), (110, 287424), (120, 263472), (128, 247005), (132, 239520), (144, 219560), (160, 197604), (165, 191616), (176, 179640), (180, 175648), (192, 164670), (198, 159680), (220, 143712), (240, 131736), (264, 119760), (288, 109780), (320, 98802), (330, 95808), (352, 89820), (360, 87824), (384, 82335), (396, 79840), (440, 71856), (480, 65868), (495, 63872), (499, 63360), (528, 59880), (576, 54890), (640, 49401), (660, 47904), (704, 44910), (720, 43912), (792, 39920), (880, 35928), (960, 32934), (990, 31936), (998, 31680), (1056, 29940), (1152, 27445), (1320, 23952), (1408, 22455), (1440, 21956), (1497, 21120), (1584, 19960), (1760, 17964), (1920, 16467), (1980, 15968), (1996, 15840), (2112, 14970), (2495, 12672), (2640, 11976), (2880, 10978), (2994, 10560), (3168, 9980), (3520, 8982), (3960, 7984), (3992, 7920), (4224, 7485), (4491, 7040), (4990, 6336), (5280, 5988), (5489, 5760)]