81251712

素因数分解:

$2^7\times 3^2\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 235577160

約数和(自身を除く): 154325448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 251, 281, 288, 384, 502, 562, 576, 753, 843, 1004, 1124, 1152, 1506, 1686, 2008, 2248, 2259, 2529, 3012, 3372, 4016, 4496, 4518, 5058, 6024, 6744, 8032, 8992, 9036, 10116, 12048, 13488, 16064, 17984, 18072, 20232, 24096, 26976, 32128, 35968, 36144, 40464, 48192, 53952, 70531, 72288, 80928, 96384, 107904, 141062, 144576, 161856, 211593, 282124, 289152, 323712, 423186, 564248, 634779, 846372, 1128496, 1269558, 1692744, 2256992, 2539116, 3385488, 4513984, 5078232, 6770976, 9027968, 10156464, 13541952, 20312928, 27083904, 40625856, 81251712]

約数ペア:

[(1, 81251712), (2, 40625856), (3, 27083904), (4, 20312928), (6, 13541952), (8, 10156464), (9, 9027968), (12, 6770976), (16, 5078232), (18, 4513984), (24, 3385488), (32, 2539116), (36, 2256992), (48, 1692744), (64, 1269558), (72, 1128496), (96, 846372), (128, 634779), (144, 564248), (192, 423186), (251, 323712), (281, 289152), (288, 282124), (384, 211593), (502, 161856), (562, 144576), (576, 141062), (753, 107904), (843, 96384), (1004, 80928), (1124, 72288), (1152, 70531), (1506, 53952), (1686, 48192), (2008, 40464), (2248, 36144), (2259, 35968), (2529, 32128), (3012, 26976), (3372, 24096), (4016, 20232), (4496, 18072), (4518, 17984), (5058, 16064), (6024, 13488), (6744, 12048), (8032, 10116), (8992, 9036)]