1271328128

素因数分解:

$2^7\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1317

約数の個数: 128

約数和(自身を含む): 3084480000

約数和(自身を除く): 1813151872

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 322, 343, 368, 392, 448, 644, 686, 736, 784, 896, 1127, 1259, 1288, 1372, 1472, 1568, 2254, 2518, 2576, 2744, 2944, 3136, 4508, 5036, 5152, 5488, 6272, 7889, 8813, 9016, 10072, 10304, 10976, 15778, 17626, 18032, 20144, 20608, 21952, 28957, 31556, 35252, 36064, 40288, 43904, 57914, 61691, 63112, 70504, 72128, 80576, 115828, 123382, 126224, 141008, 144256, 161152, 202699, 231656, 246764, 252448, 282016, 405398, 431837, 463312, 493528, 504896, 564032, 810796, 863674, 926624, 987056, 1009792, 1128064, 1418893, 1621592, 1727348, 1853248, 1974112, 2837786, 3243184, 3454696, 3706496, 3948224, 5675572, 6486368, 6909392, 7896448, 9932251, 11351144, 12972736, 13818784, 19864502, 22702288, 25945472, 27637568, 39729004, 45404576, 55275136, 79458008, 90809152, 158916016, 181618304, 317832032, 635664064, 1271328128]

約数ペア:

[(1, 1271328128), (2, 635664064), (4, 317832032), (7, 181618304), (8, 158916016), (14, 90809152), (16, 79458008), (23, 55275136), (28, 45404576), (32, 39729004), (46, 27637568), (49, 25945472), (56, 22702288), (64, 19864502), (92, 13818784), (98, 12972736), (112, 11351144), (128, 9932251), (161, 7896448), (184, 6909392), (196, 6486368), (224, 5675572), (322, 3948224), (343, 3706496), (368, 3454696), (392, 3243184), (448, 2837786), (644, 1974112), (686, 1853248), (736, 1727348), (784, 1621592), (896, 1418893), (1127, 1128064), (1259, 1009792), (1288, 987056), (1372, 926624), (1472, 863674), (1568, 810796), (2254, 564032), (2518, 504896), (2576, 493528), (2744, 463312), (2944, 431837), (3136, 405398), (4508, 282016), (5036, 252448), (5152, 246764), (5488, 231656), (6272, 202699), (7889, 161152), (8813, 144256), (9016, 141008), (10072, 126224), (10304, 123382), (10976, 115828), (15778, 80576), (17626, 72128), (18032, 70504), (20144, 63112), (20608, 61691), (21952, 57914), (28957, 43904), (31556, 40288), (35252, 36064)]