648309984

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:797

約数の個数: 144

約数和(自身を含む): 1990735488

約数和(自身を除く): 1342425504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 283, 294, 336, 392, 487, 566, 588, 672, 784, 849, 974, 1132, 1176, 1461, 1568, 1698, 1948, 1981, 2264, 2352, 2922, 3396, 3409, 3896, 3962, 4528, 4704, 5844, 5943, 6792, 6818, 7792, 7924, 9056, 10227, 11688, 11886, 13584, 13636, 13867, 15584, 15848, 20454, 23376, 23772, 23863, 27168, 27272, 27734, 31696, 40908, 41601, 46752, 47544, 47726, 54544, 55468, 63392, 71589, 81816, 83202, 95088, 95452, 109088, 110936, 137821, 143178, 163632, 166404, 190176, 190904, 221872, 275642, 286356, 327264, 332808, 381808, 413463, 443744, 551284, 572712, 665616, 763616, 826926, 964747, 1102568, 1145424, 1331232, 1653852, 1929494, 2205136, 2290848, 2894241, 3307704, 3858988, 4410272, 5788482, 6615408, 6753229, 7717976, 11576964, 13230816, 13506458, 15435952, 20259687, 23153928, 27012916, 30871904, 40519374, 46307856, 54025832, 81038748, 92615712, 108051664, 162077496, 216103328, 324154992, 648309984]

約数ペア:

[(1, 648309984), (2, 324154992), (3, 216103328), (4, 162077496), (6, 108051664), (7, 92615712), (8, 81038748), (12, 54025832), (14, 46307856), (16, 40519374), (21, 30871904), (24, 27012916), (28, 23153928), (32, 20259687), (42, 15435952), (48, 13506458), (49, 13230816), (56, 11576964), (84, 7717976), (96, 6753229), (98, 6615408), (112, 5788482), (147, 4410272), (168, 3858988), (196, 3307704), (224, 2894241), (283, 2290848), (294, 2205136), (336, 1929494), (392, 1653852), (487, 1331232), (566, 1145424), (588, 1102568), (672, 964747), (784, 826926), (849, 763616), (974, 665616), (1132, 572712), (1176, 551284), (1461, 443744), (1568, 413463), (1698, 381808), (1948, 332808), (1981, 327264), (2264, 286356), (2352, 275642), (2922, 221872), (3396, 190904), (3409, 190176), (3896, 166404), (3962, 163632), (4528, 143178), (4704, 137821), (5844, 110936), (5943, 109088), (6792, 95452), (6818, 95088), (7792, 83202), (7924, 81816), (9056, 71589), (10227, 63392), (11688, 55468), (11886, 54544), (13584, 47726), (13636, 47544), (13867, 46752), (15584, 41601), (15848, 40908), (20454, 31696), (23376, 27734), (23772, 27272), (23863, 27168)]