631888128

素因数分解:

$2^8\times 3^4\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1042

約数の個数: 180

約数和(自身を含む): 1946934528

約数和(自身を除く): 1315046400

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 248, 256, 279, 288, 324, 372, 384, 432, 496, 558, 576, 648, 744, 768, 837, 864, 983, 992, 1116, 1152, 1296, 1488, 1674, 1728, 1966, 1984, 2232, 2304, 2511, 2592, 2949, 2976, 3348, 3456, 3932, 3968, 4464, 5022, 5184, 5898, 5952, 6696, 6912, 7864, 7936, 8847, 8928, 10044, 10368, 11796, 11904, 13392, 15728, 17694, 17856, 20088, 20736, 23592, 23808, 26541, 26784, 30473, 31456, 35388, 35712, 40176, 47184, 53082, 53568, 60946, 62912, 70776, 71424, 79623, 80352, 91419, 94368, 106164, 107136, 121892, 125824, 141552, 159246, 160704, 182838, 188736, 212328, 214272, 243784, 251648, 274257, 283104, 318492, 321408, 365676, 377472, 424656, 487568, 548514, 566208, 636984, 642816, 731352, 754944, 822771, 849312, 975136, 1097028, 1132416, 1273968, 1462704, 1645542, 1698624, 1950272, 2194056, 2264832, 2468313, 2547936, 2925408, 3291084, 3397248, 3900544, 4388112, 4936626, 5095872, 5850816, 6582168, 6794496, 7801088, 8776224, 9873252, 10191744, 11701632, 13164336, 17552448, 19746504, 20383488, 23403264, 26328672, 35104896, 39493008, 52657344, 70209792, 78986016, 105314688, 157972032, 210629376, 315944064, 631888128]

約数ペア:

[(1, 631888128), (2, 315944064), (3, 210629376), (4, 157972032), (6, 105314688), (8, 78986016), (9, 70209792), (12, 52657344), (16, 39493008), (18, 35104896), (24, 26328672), (27, 23403264), (31, 20383488), (32, 19746504), (36, 17552448), (48, 13164336), (54, 11701632), (62, 10191744), (64, 9873252), (72, 8776224), (81, 7801088), (93, 6794496), (96, 6582168), (108, 5850816), (124, 5095872), (128, 4936626), (144, 4388112), (162, 3900544), (186, 3397248), (192, 3291084), (216, 2925408), (248, 2547936), (256, 2468313), (279, 2264832), (288, 2194056), (324, 1950272), (372, 1698624), (384, 1645542), (432, 1462704), (496, 1273968), (558, 1132416), (576, 1097028), (648, 975136), (744, 849312), (768, 822771), (837, 754944), (864, 731352), (983, 642816), (992, 636984), (1116, 566208), (1152, 548514), (1296, 487568), (1488, 424656), (1674, 377472), (1728, 365676), (1966, 321408), (1984, 318492), (2232, 283104), (2304, 274257), (2511, 251648), (2592, 243784), (2949, 214272), (2976, 212328), (3348, 188736), (3456, 182838), (3932, 160704), (3968, 159246), (4464, 141552), (5022, 125824), (5184, 121892), (5898, 107136), (5952, 106164), (6696, 94368), (6912, 91419), (7864, 80352), (7936, 79623), (8847, 71424), (8928, 70776), (10044, 62912), (10368, 60946), (11796, 53568), (11904, 53082), (13392, 47184), (15728, 40176), (17694, 35712), (17856, 35388), (20088, 31456), (20736, 30473), (23592, 26784), (23808, 26541)]